Transactions of the International Astronomical Union. Vol. VII. Seventh General Assembly held at Zürich, August 11 to August 18, 1948

edited by J.H. Oort
Bok · Engelsk · 1950

Utgitt	Cambridge : at the University Press , 1950
Omfang	viii, 552 s.
Emner	Astronomi International Astronomical Union astronomi konferanser iau