Comparative planetology - College Park Colloquium on Chemical Evolution 1976 : University of Maryland); Ponnamperuma, Cyril, b.1923 (New York : Academic Press, 1978)
'Proceedings of the Third College Park Colloquium on Chemical Evolution - comparative planetology, held September 29-October 1, 1976 at the University of Maryland' - title page verso
Includes bibliographical reftrences and index
Keywords: Planets -- Congresses