TY  - BOOK
AU  - Donn, B., ed.
AU  - Harrington, R., ed.
AU  - Hearn, M. A., ed.
AU  - Jackson, W., ed.
AU  - Mumma, M., ed.
ED  - International Astronomical Union Colloquium
ED  - International Astronomical Union 
TI  - The study of comets: pt. 1, proceedings of IAU colloquium No.25 held at Goddard Space Flight center, Greenbelt, Maryland October 28-November 1,1974
T2  - NASA SP; 393, IAU Colloquium; no. 25
PY  - 1976///
CY  - Washington
PB  - National Aeronautics and Space Administration
KW  - Astronomy and Astrophysics Thesaurus
KW  - Comets
N1  - Donated by Mrs. Bappu
ER  -