Abstracted In International Aerospace Abstracts. Reproduced from: Gravitational Instability and The Formation of Stars, Galaxies and Their Characteristic Structures, International Colloquium On Astrophysics, 14Th, Liege, Belgium; 20-22 June 1966 A67-40507.
Reproduction Note:
Microform. New York : American Institute of Aeronautics and Astronautics, Technical Information Service, [19--?]