The astronomer's universe ... based on lectures given at the Canberra University College, October 1957, under the auspices of the Australian National University, and at the Summer School organized by Professor H. Messel, School of Physics, University of Sydney, January 1958, under the auspices of the Nuclear Research Foundation.
Bok, Bartholomeus Jan.
Carlton, Victoria, 
1958.
[With a bibliography.]