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34. Commission de la Matiere Interstellaire et des Nebuleuses Planetaires

Published online by Cambridge University Press:  25 April 2016

H. C. van de Hulst

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Type
Part III: Rapports et Comptes Rendus des Seances es Commissions
Information
Transactions of the International Astronomical Union , Volume 10 , 1960 , pp. 532 - 542
Copyright
Copyright © Cambridge University Press 1960

References

[1] Aller, L. H. Gaseous Nebulae, New York (John Wiley), 1956.Google Scholar
[2] Gurzadian, G. A. The Dynamical Problems of the Planetary Nebulae (in Russian), Erevan, 1954.Google Scholar
[3] Sobolev, V. V. ‘Physics of Planetary Nebulae’, Problems of Cosmogony, 6, 112, 1957. Google Scholar
[4] Gurzadian, G. A. C.R. Acad. Sci. U.S.S.R. 113, 1013, 1957.Google Scholar
[5] Gurzadian, G. A. C.R. Acad. Sci. U.S.S.R. 113, 1231, 1957.Google Scholar
[6] Wilson, O. C. C.G.D. = Rev. Mod. Phys. 30, 1025, 1958. Google Scholar
[7] Zanstra, H. C.G.D. = Rev. Mod. Phys. 30, 1030, 1958. CrossRefGoogle Scholar
[8] Liller, W. Ap. J. 122, 240, 1955.Google Scholar
[9] Minkowski, R. and Aller, L. H. Ap. J. 124, 93, 1956.Google Scholar
[10] Razmadze, N. A. A str. J. Moscova, 33, 3, 1956.Google Scholar
[11] Razmadze, N. A. Astr. J. Moscow, 33, 698, 1956.Google Scholar
[12] Gulak, J. K. Astr. J. Moscow, 34, 516, 1957.Google Scholar
[13] Geake, J. E. Observatory, 76, 189, 1956. Google Scholar
[14] Gurzadian, G. A. Publ. Burakan Obs. 18, 1956.Google Scholar
[15] Andrillat, H. Publ. Obs. Haute Provence, 3, no. 35, 1955.Google Scholar
[16] Gurzadian, G. A. Astr. J. Moscow, 35, 520, 1958.Google Scholar
[17] Pronik, V. I. Publ. Crimean Obs. 17, 14, 1957. Google Scholar
[18] Güssow, K. Mitt. Univ.-Sternw. Jena, no. 17, 1954.Google Scholar
[19] Rindina, E. R. Publ. Obs. Leningrad Univ. 17, 18, 1957. Google Scholar
[20] Shklovsky, I. S. Astr. J. Moscow, 33, 222, 1956.Google Scholar
[21] Shklovsky, I. S. Astr. J. Moscow, 34, 403, 1957.Google Scholar
[22] Eberlein, K. Z. Ap. 38, 14, 1955. Google Scholar
[23] Van Pelt, A. B.A.N. 13, 285, 1957.Google Scholar
[24] Aller, L. H. Ap. J. 125 84, 1957.Google Scholar
[25] Aller, L. H., Bowen, I. S. and Minkowski, R. Ap. J. 122, 62, 1955.Google Scholar
[25] Aller, L. H. and Minkowski, R. Ap. J. 124, 110, 1956.Google Scholar
[27] Seaton, M. J. and Osterbrock, D. E. Ap. J. 125, 66, 1957.Google Scholar
[28] Kogure, T. Publ. Astr. Soc. Japan, 7, 190, 1955. Google Scholar
[29] Unno, W. Publ. Astr. Soc. Japan, 7, 81, 1955. Google Scholar
[30] Edmonds, F. N. Ap. J. 121, 81, 1955.Google Scholar
[31] Koelbloed, D. B.A.N. 12, 341, 1956.Google Scholar
[32] Zanstra, H. B.A.N. 12, 349, 1956.Google Scholar
[33] Zanstra, H. Proc. Acad. Sci. Amst. 59, 384, 1956. Google Scholar
[34] Sobolev, V. V. Comm. Leningrad Univ. 19, 1957.Google Scholar
[35] Sobolev, V. V. Astr. J. Moscow, 34, 5, 1957.Google Scholar
[36] Minin, I. N. Problems of Cosmogony, 6, 211, 1957. Google Scholar
[37] Yada, B. and Osaki, T. Publ. Astr. Soc. Japan, 9, 82, 1957. Google Scholar
[38] Seaton, M. J. M.N. 115, 279, 1955.Google Scholar
[39] Kipper, A. J. Problems of Cosmogony, 4, 46, 1955. Google Scholar
[40] Gurzadian, G. A. C.R. Acad. Sci. Armenian S.S.R. 24, 53, 1957.Google Scholar
[41] Hattori, A. and Yada, B. Publ. Asir. Soc. Japan, 8, 40, 1956. Google Scholar
[42] Vorontsov-Velyaminov, B. A. Astr. J., Moscow, 33, 785, 1956.Google Scholar
[43] Gurzadian, G. A. Problems of Cosmogony, 6, 155, 1957. Google Scholar
[44] Shklovsky, I. S. Astr. J., Moscow, 33, 315, 1956.Google Scholar
[45] Minin, I. N. Trans. 4th Conf. Problems of Cosmogony, 214, 1955.Google Scholar
[46] Wurm, K. Mém. Soc. Sci. Liège, 15, 530, 1955.Google Scholar
[47] Kopal, Z. and Millns, P. Y. Ch. 44 of Astronomical Optics (ed. Kopal, Z.), North Holland Publ. Co. 1956.Google Scholar
[48] Ring, J. Observatory, 75, 249, 1955. Google Scholar
[49] Ring, J. Report of 1957 Paris Symposium on Interference Spectroscopy (to be published).Google Scholar
[50] Courtes, G. CR. 232, 795 and 1283, 1951; 234, 506, 1952.Google Scholar
[51] Courtès, G. Astr. J. 62, 10, 1957.Google Scholar
[52] Courtes, G. Report of 1957 Paris Symposium on Interference Spectroscopy (to be published).Google Scholar
[53] Westerhout, G. B.A.N. 14, 215, 1958.Google Scholar
[54] Shain, C. A. Aust. J. Phys. 10, 195, 1957.Google Scholar
[55] Byram, E. T., Chubb, T. A., Friedman, H. and Jr.Kupperian, J. E., Astr. J. 62, 9, 1957.Google Scholar
[56] Münch, L. Bol. Tonantzintla y Tacubaya, 13, 35, 1955.Google Scholar
[57] De Vaucouleurs, G. Observatory, 75, 129, 1955. Google Scholar
[58] Gum, C. S. Mem. R.A.S. 67, 155, 1955. Google Scholar
[59] Gum, C. S. Observatory, 76, 150, 1956. Google Scholar
[60] Velghe, A. G. Ap. J. 125, 822, 1957.Google Scholar
[61] Code, A. D. and Houck, T. E. Ap. J. 121, 553, 1955.Google Scholar
[62] Morgan, W. W., Strömgren, B. and Johnson, H. M. Ap. J. 121, 611, 1955.Google Scholar
[63] Abt, H. A., Morgan, W. W. and Strömgren, B. Ap. J. 126, 322, 1957.Google Scholar
[64] Johnson, H. M. Ap. J. 121, 604, 1955.Google Scholar
[65] Johnson, H. M. Ap. J. 124, 90, 1956.Google Scholar
[66] Thackeray, A. D. Mon. Not. Astr. Soc. S. Afr. 15, 3, 20, 1956.Google Scholar
[67] Genkin, I. L. Astr. J. Moscow, 33, 817, 1956.Google Scholar
[68] Hoffleit, D. Ap. J. 124, 61, 1956.Google Scholar
[69] Rozhkovski, D. A. Izv. Astrofys. Inst. Acad. Sci. Kaz. S.S.R. 5, 11, 1957. Google Scholar
[70] Khatschikian, E. E. C.R. Acad. Sci. Armenian S.S.R. 21 no. 2, 1955.Google Scholar
[71] Khatschikian, E. E. Publ. Burakan Obs. 23, 1957 (in press).Google Scholar
[72] Shajn, G. A., Pikelner, S. B. and Ishahov, R. V. Astr. J. Moscow, 32, 395, 1955.Google Scholar
[73] Hachikjan, E. E. C.R. Acad. Sci. Armenian S.S.R. 21, 63, 1955.Google Scholar
[74] Hiltner, W. A. Ap. J. 125, 300, 1957.Google Scholar
[75] Oort, J. H. and Walraven, Th. B.A.N. 12, 285, 1956.Google Scholar
[76] Walraven, Th. B.A.N. 13, 293, 1957.Google Scholar
[77] Martel, M. T. Thèse, Lyon, 1957.Google Scholar
[78] Baade, W. B.A.N. 12, 312, , 1956.Google Scholar
[79] Woltjer, L. B.A.N. 13, 301, 1957.Google Scholar
[80] Pikelner, S. B. Astr. J. Moscow, 33, 785, 1956.Google Scholar
[81] Johnson, F. M. and Townes, C. H. Ap. J. 126, 466, 1957.Google Scholar
[82] Osterbrock, D. E. P.A.S.P. 69, 227, 1957. Google Scholar
[83] Münch, G. C.G.D. = Rev. Mod. Phys. 30, 1042, 1958. Google Scholar
[84] Woltjer, L. B.A.N. 14, 39, 1957.Google Scholar
[85] Westerhout, G. B.A.N. 12, 309, 1956.Google Scholar
[86] Mayer, C. H., McCullough, T. P. and Sloanaker, R. M. Ap. J. 126, 468, 1957.Google Scholar
[87] Baade, W. Ap. J. 123, 550, 1956.Google Scholar
[88] Burbidge, G. R. Ap. J. 124, 416, 1956.Google Scholar
[89] Hunger, K. and Kron, G. E. P.A .S.P. 69, 347, 1957. Google Scholar
[90] Khatschikian, E. E. C.R. Acad. Sci. Armenian S.S.R. 23, no. 2, 1956.Google Scholar
[91] Thackeray, A. D. Observatory, 76, 154, 1956.Google Scholar
[92] Khatschikian, E. E. Publ. Acad. Sci. Armenian S.S.R. ser. math. phys. 10, no. 5, 1957.Google Scholar
[93] Dombrovski, V. A. C.R. Acad. Sci. U.S.S.R. 102, 907, 1955.Google Scholar
[94] Dombrovski, V. A. Astr. Cire. U.S.S.R. no. 176, 7, 1957.Google Scholar
[95] Pikelner, S. B. Publ. Crimean Obs. 16, 184, 1956.Google Scholar
[96] Minkowski, R. Radio Astronomy, I.A.U. Symposium no. 4, 107, 1957.Google Scholar
[97] Minkowski, R. C.G.D. = Rev. Mod. Phys. 30, 1048, 1958. Google Scholar
[98] Miyamoto, S. Z. Ap. 38, 245, 1956. Google Scholar
[99] Chamberlain, J. W. Ap. J. 124, 390, 1956.Google Scholar
[100] Shajn, G. A. and Hase, V. Th. Publ. Crimean Obs. 16, 171, 1956.Google Scholar
[101] Osterbrock, D. E. Ap. J. 122, 235, 1955.Google Scholar
[102] Rozhkovski, D. A. Izv. Astrofys. Inst. Acad. Sci. Kaz. S.S.R. 2, 53, 1956. Google Scholar
[103] Razmadze, N. A. Astr. J. Moscow, 33, 3, 1956. Google Scholar
[104] Wurm, K. and Rosino, L. Mitt. Sterni». Hamburg-Bergedorf, no. 10, 1956.Google Scholar
[105] Gurzadian, G. A. Publ. Burakan Obs. 16, 1955.Google Scholar
[106] Gurzadian, G. A. Publ. Burakan Obs. 20, 1956.Google Scholar
[107] Suzuki, Y. Publ. Astr. Soc. Japan, 7, 66, 1955. Google Scholar
[108] Ambartsumian, V. A. Problems of Cosmogony, 4, 76, 1955. Google Scholar
[109] Rozhkovski, D. A. and Matiagin, W. S. Izv. Astrofys. Inst. Acad. Sci. Kaz. S.S.R. 2, 64, 1956.Google Scholar
[110] Rozhkovski, D. A. Izv. Astrofys. Inst. Acad. Sci. Kaz. S.S.R. 5, 3, 1957.Google Scholar
[111] Idlis, G. M. Izv. Astrofys. Inst. Acad. Sci. Kaz. S.S.R. 4, 3, 1957. Google Scholar
[112] Third Symposium on Cosmical Gas Dynamics organized by I.A.U. and I.U.T.A.M. Burgers, J. H. and Thomas, R. N., editors, Rev. Mod. Phys. 30, 905, 1958. Google Scholar
[113] Kaplan, S. A. Interstellar Gas Dynamics (in Russian), Moscow, 1958.Google Scholar
[114] Oort, J. H. B.A.N. 12, 177, 1954.Google Scholar
[115] Oort, J. H. Gas Dynamics of Cosmic Clouds, I.A.U. Symposium no. 2, 147, 1955.Google Scholar
[116] Shajn, G. A. Astr. J. Moscow, 32, 209, 1955. Google Scholar
[117] Shajn, G. A. Astr. J. Moscow, 32, 492, 1955. Google Scholar
[118] Shajn, G. A. Publ. Crimean Obs. 15, 3, 1955.Google Scholar
[119] Savedofl, M. P. Ap. J. 124, 533, 1956.Google Scholar
[120] Agekyan, T. A., Kavraiskaya, K. V., Plyugin, G. A., Strugatsky, B. N. and Schisch kina, G. A. Astr. J. Moscow, 33, 679, 1956. Google Scholar
[121] Savedoff, M. P. and Greene, J. Ap. J. 122, 477, 1955.Google Scholar
[122] Goldsworthy, F. A. C.G.D. = Rev. Mod. Phys. 30, 1062, 1958. Google Scholar
[123] Goldsworthy, F. A. J. Fluid Mechanics (in press).Google Scholar
[124] Oort, J. H. and Spitzer, L. Ap. J. 121, 6, 1955.Google Scholar
[125] Menon, T. K. Astr. J. 62, 27, 1957.Google Scholar
[126] Wade, M. Campbell. Astr. J. 62, 148, 1957.Google Scholar
[127] Ebert, R. Z. Ap. 37, 217, 1955. Google Scholar
[128] Ruskol, E. L. Astr. J. Moscow, 32, 3, 1955.Google Scholar
[129] Ruskol, E. L. Astr. J. Moscow, 32, 244, 1955. Google Scholar
[130] Mestel, L. and Spitzer, L. M.N. 116, 503, 1956.Google Scholar
[131] McCrea, W. H. M.N. 117, 562, 1957.Google Scholar
[132] Danby, J. M. A. and Camm, G. L. M.N. 117, 50, 1957.Google Scholar
[133] Hoyle, F. Ap. J. 124, 484, 1956.Google Scholar
[134] McCrea, W. H. Vistas in Astronomy (ed. Beer, A.), vol. 2, 1694. Pergamon Press.Google Scholar
[135] Roberts, M. S. P.A.S.P. 69, 59, 1957. Google Scholar
[136] Stephenson, C. B. Ap. J. 126, 195. 1957.Google Scholar
[137] Gurzadian, G. A. Astr. J. Moscow, 32, 425, 1955. Google Scholar
[138] Rozhkovski, D. A. Astr. J. Moscow, 31, 318, 1954. Google Scholar
[139] Pottasch, S. B.A.N. 13, 77, 1956. Google Scholar
[140] Osterbrock, D. E. Ap. J. 125, 622, 1957.Google Scholar
[141] Osterbrock, D. E. Astr. J. 62, 144, 1957. Google Scholar
[142] Layzer, D. Ap. J. 122, 1, 1955.Google Scholar
[143] Kahn, F. D. C.G.D. = Rev. Mod.Phys. 30, 1058, 1958. Google Scholar
[144] Pottasch, S. B.A.N. 14, 29, 1957.Google Scholar
[145] Kaplan, S. A. Astr. J. Moscow, 34, 321, 1957.Google Scholar
[146] Zimmermann, H. Mitt. Univ. Sternw. Jena, no. 35.Google Scholar
[147] Kahn, F. D. J. Fluid Mechanics, 2, 601, 1957. Google Scholar
[148] Kahn, F. D. C.G.D. = Rev. Mod. Phys. 30, 1069, 1958. Google Scholar
[149] Kaplan, S. A. Astr. J. Moscova, 33, 646, 1956.Google Scholar
[150] Kaplan, S. A. Astr. J. Moscova, 34, 183, 1957.Google Scholar
[151] Pikelner, S. B. Astr. J. Moscow, 34, 314, 1957.Google Scholar
[152] Kaplan, S. A. Astr. J. Moscow, 32, 255, 1955.Google Scholar
[153] Kaplan, S. A. J. Exp. Theor. Phys. 27, 699, 1954.Google Scholar
[154] Kaplan, S. A. J. Exp. Theor. Phys. 29, 406, 1955.Google Scholar
[155] Fourteen papers in Radio A stronomy, I.A.U. Symposium no. 4 (van de Hulst, H. C., editor), 1957.Google Scholar
[156] Five papers in B.A.N. 13, no. 475, 1957.Google Scholar
[157] Oort, J. H., Kerr, F. J. and Westerhout, G. M.N. 118, 379, 1958.Google Scholar
[158] Van de Hulst, H. C. C.G.D. = Rev. Mod. Phys. 30, 913, 1958. Google Scholar
[159] Donn, B. Astr. J. 60, 237, 1955. Google Scholar
[160] Takakubo, K. Sci. Rep. Tohoku Univ. Ser. 1, 40, 244, 1957.Google Scholar
[161] Hagen, J. P., Lilley, A. E. and McClain, E. F. Ap. J. 122, 361, 1955.Google Scholar
[162] Muller, C. A. Ap. J. 125, 830, 1957.Google Scholar
[163] Münch, G. Ap. J. 125, 42, 1957.CrossRefGoogle Scholar
[164] Thackeray, A. D. Nature, 178, 1458, 1956.Google Scholar
[165] Ring, J. and Woolf, N. J. Report of 1957 Paris Symposium on Interference Spectroscopy (to be published).Google Scholar
[166] Pikelner, S. B. and Metik, L. P. Publ. Crimean Obs. 18, 1957.Google Scholar
[167] Pikelner, S. B. and Shklovsky, I. S. Astr. J. Moscow, 34, 145, 1957.Google Scholar
[168] Pikelner, S. B. and Shklovsky, S. I. C.G.D. = Rev. Mod. Phys. 30, 935, 1958. Google Scholar
[169] Spitzer, L. Ap. J. 124, 20, 1956.Google Scholar
[170] Burbidge, G. R. Ap. J. 123, 178, 1956.Google Scholar
[171] Fan, C. Y. Ap. J. 123, 491, 1956.Google Scholar
[172] Kahn, F. D. Gas Dynamics of Cosmic Clouds, I.A.U. Symposium no. 2, 60, 1955.Google Scholar
[173] Seaton, M. J. Ann. Astrophys. 18, 188, 1955.Google Scholar
[174] Purcell, E. M. and Field, G. B. Ap. J. 124, 542, 1956.Google Scholar
[175] Schatzman, E. C.G.D. = Rev. Mod. Phys. 30, 1009, 1958. Google Scholar
[176] Lambrecht, H. Mitt. Univ. Sternw. Jena, no. 18, 1954.Google Scholar
[177] Lambrecht, H. and Zimmermann, H. Mitt. Univ. Sternw. Jena, no. 13, 1954.Google Scholar
[178] Lambrecht, H. and Zimmermann, H. Mitt. Univ. Sternw. Jena, no. 14, 1956.Google Scholar
[179] Weigert, A. Mitt. Univ. Sternw. Jena, no. 16, 1955.Google Scholar
[180] Seaton, M. J. Ann. Astrophys. 18, 206, , 1955.Google Scholar
[181] Mathis, J. S. Ap. J. 125, 318, 1957.Google Scholar
[182] Mathis, J. S. Ap. J. 125, 328, 1957.Google Scholar
[183] Spitzer, L. and Lautman, D. A. Ap. J. 123, 363, 1956.Google Scholar
[184] Spitzer, L. and Field, G. B. Ap. J. 121, 300, 1955.Google Scholar
[185] Seaton, M. J. Ann. Astrophys. 17, 74, 1954.Google Scholar
[186] Getmanzev, G. G., Stankevitch, K. S. and Troitzky, V. S. Radio Astronomy, I.A.U. Symposium no. 4, 90, 1957.Google Scholar
[187] Stanley, G. J. and Price, R. Nature, 177, 1221, 1956.Google Scholar
[188] Adgie, R. L. and Hey, J. S. Nature, 179, 370, 1957.Google Scholar
[189] Barrett, A. H. and Lilley, A. E. Astr. J. 62, 5, 1957. Google Scholar
[190] McKellar, A. and Richardson, E. H. Ap. J. 122, 196, 1955.Google Scholar
[191] Pikelner, S. B. Progress Phys. Science, 58, 285, 1956.Google Scholar
[192] Platt, J. R. Ap. J. 123, 486, 1956.Google Scholar
[193] Zimmermann, O. Z. Naturf. 12a, 647, 1957.Google Scholar
[194] Van de Hulst, H. C. Light scattering by small particles. New York (John, Wiley), 1957.Google Scholar
[195] Whitford, A. E. Astr. J. 63, 201, 1958. Google Scholar
[196] Schalén, C. Ann. Uppsala Obs. 3, no. 5, 1952.Google Scholar
[197] Stebbins, J., Huffer, C. M. and Whitford, A. E. Ap. J. 90, 209, 1939. Google Scholar
[198] Divan, L. Ann. Astrophys. 17, 456, 1954. Google Scholar
[199] Johnson, H. L. and Morgan, W. W. Ap. J. 122, 142, 1955.Google Scholar
[200] Hiltner, W. A. and Johnson, H. L. Ap. J. 124, 367, 1956.Google Scholar
[201] Rozis-Saulgeot, A. M. Ann. Astrophys. 19, 274, 1956. Google Scholar
[202] Divan, L. Ann. Astrophys. 19, 255, 1956. Google Scholar
[203] Bustrova, N. V. Astr. J. Moscow, 33, 563, 1956.Google Scholar
[204] Schmidt, K.-H. Mitt. Univ. Sternw. Jena, no. 21, 1956.Google Scholar
[205] Schmidt, K.-H. Mitt. Univ. Sternw. Jena, no. 24, 1957.Google Scholar
[206] Schmidt, K.-H. Mitt. Univ. Sternw. Jena, no. 27, 1957.Google Scholar
[207] Borgman, J. B.A.N. 13, 127, 1956.Google Scholar
[208] Divan, L. and Rozis-Saulgeot, A. M. Ann. Astrophys. 19, 252, 1956. Google Scholar
[209] Schalén, C. J. d. Obs. (in press).Google Scholar
[210] Brodskaya, E. S. Publ. Crimean Obs. 16, 162, 1956. Google Scholar
[211] Zonn, W. Astr. J. Moscow, 33, 855, 1956.Google Scholar
[212] Velghe, A. G. Astr. J. 61, 241, 1956. Google Scholar
[213] Franklin, F. A. Astr. J. 60, 351, 1955. Google Scholar
[214] Bok, B. J. Astr. J. 61, 309, 1956. Google Scholar
[215] Schmidt, , Th. Forschungsber. Obs. Wendelstein, no. 16, 1956.Google Scholar
[216] Kühn, R. Forschungsber. Obs. Wendelstein, no. 17, 1956.Google Scholar
[217] Havtasi, D. Sh. Abastumani Obs. Bull. 18, 29, 1955. Google Scholar
[218] Richter, G. Mitt. Univ. Sternw. Jena, no. 28, 1957.Google Scholar
[219] Münch, G. Ap. J. 121, 291, 1955.Google Scholar
[220] Ramakrishnan, A. and Srinivasan, S. K. Ap. J. 123, 479, 1956.Google Scholar
[221] Agekian, T. A. Astr. J. Moscow, 32, 416, 1955.Google Scholar
[222] Fleischer, R. and Conti, P. S. Astr. J. 61, 4, 1956. Google Scholar
[223] Zonn, W. Reprints Astr. Obs. Warsaw, no. 62, 1957.Google Scholar
[224] Poveda, A. Bol. Tonantzintla y Tacubaya, 15, 9, 1956.Google Scholar
[225] Rozhkovski, D. A. (in press).Google Scholar
[226] Fesenkov, B. G. Astr. J. Moscow, 32, 97, 1955.Google Scholar
[227] Schmidt, , Th. Z. Ap. 40, 199, 1956. Google Scholar
[228] Safronov, V. S. Problems of Cosmogony, 4, 87, 1955. Google Scholar
[229] Contopoulos, G. Z. Ap. 42, 7, 1957.Google Scholar
[230] Hiltner, W. A. Ap. J. Supp. no. 24, 2, 389, 1956.Google Scholar
[231] Smith, E. van P. Ap. J. 124, 43, 1956.Google Scholar
[232] Behr, A. and Tripp, W. Naturwissenschaften, 42, 9, 1955.Google Scholar
[233] Van den Bergh, S. Z. Ap. 40, 249, 1956.Google Scholar
[234] Tripp, W. Z. Ap. 41, 84, 1956.Google Scholar
[235] Shajn, G. A. Astr. J. Moscow, 32, 110, 1955.Google Scholar
[236] Shajn, G. A. Astr. J. Moscow, 32, 381, 1955.Google Scholar
[237] Shajn, G. A. Astr. J. Moscow, 32, 489, 1955.Google Scholar
[238] Shajn, G. A. Astr. J. Moscow, 33, 210, 1956.Google Scholar
[239] Shajn, G. A. Astr. J. Moscow, 33, 305, 1956.Google Scholar
[240] Shajn, G. A. Astr. J. Moscow, 33, 469, 1956.Google Scholar
[241] Shajn, G. A. Astr. J. Moscow, 34, 3, 1957.Google Scholar
[242] Takakubo, K. Sci. Rep. Tohoku Univ. Ser. 1, 40, 251, 1957.Google Scholar
[243] Takakubo, K. Sci. Rep. Tohoku Univ. Ser. 1, 39, 97, 1955.Google Scholar
[244] Serkowski, K. C.G.D. = Rev. Mod. Phys. 30, 952, 1958. Google Scholar
[245] Behr, A. (unpublished).Google Scholar
[246] Bolton, J. G. and Wild, J. P. Ap. J. 125, 296, 1957.Google Scholar