No abstract available
Source
Longair, M.S.; Einasto, J. (eds.); International Astronomical Union; p. 280; ISBN 90-277-0895-9; 
; 1978; p. 280; D. Reidel; Dordrecht, Netherlands; International Astronomical Union symposium no. 79 on the large scale structure of the Universe; Tallinn, Estonia, USSR; 12 - 16 Sep 1977; Published in summary form only.
; 1978; p. 280; D. Reidel; Dordrecht, Netherlands; International Astronomical Union symposium no. 79 on the large scale structure of the Universe; Tallinn, Estonia, USSR; 12 - 16 Sep 1977; Published in summary form only.