Highlights of astronomy. volume 3 : as presented at the XVth General Assembly and the Extra Ordinary General Assembly of the I. A. U., 1973
edited by G. Contopoulos.
Dordrecht : D. Reidel, 1974.
vii, 574 págs. : ilustraciones ; 24 cm.
Serie: IAU - Highlights ; 3
ISBN: 902770452X