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 p. : il. ; 24 cm. — (IAU - Highlights ; 3)
ISBN 902770452X
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