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Published online by Cambridge University Press: 25 April 2016
According to Commission 33 traditions, the report contains contributions from a number of authors: K2 , D.L. Crawford, §3, W.B. Burton and F.J. Kerr, §4, W.B. Burton, §5, K. Loden, §6 A and C, R. Wielen, f-6 B, U. Haud and J. Einasto, §6 D and §7, D. Lynden-Bel], §6 E and F, M. Fujimoto.