study of comets
Subtitle: the proceedings of IAU colloquium no. 25
By: co-sponsored by COSPAR and held at Goddard Space Flight Center, Greenbelt, Maryland, October 28-November 1, 1974; edited by B. Donn [and others].
Contributors: Donn, B.; International Astronomical Union.; COSPAR.
Series: NASA SP -- 393
Publisher: NASA
Published: 1976
Place of publication: Washington, D.C
Language: eng