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Published online by Cambridge University Press: 25 April 2016
The volume of work published on extragalactic astronomy in the period August 1966 – July 1969 has been large. Limitations of space have precluded the writing of an all-inclusive report; in all sections some selection has had to be made. References are given, whenever possible, by the reference numbers of the Bulletin Signalétique of the CNRS of France, with the omission of the Section number: “2” for vols. 27 to 29 and “120” for vol. 30. A reference number preceded by J is taken from the Astronomischer Jahresbericht. When no reference numbers were available, abbreviated journal references have been given.
* The book Quasi-Stellar Objects by the Burbidges (J67-13445) should also be mentioned. - G. C. McV.
* Aca stands for Astrophysica, published in the U.S.S.R.