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. 2, proceedings of the International Astronomical Union Colloquium No.25, Co-sponsored by COSPAR held at Goddard Space Flight Center, Green Belt, Maryland, October 28-November-1, 1974
T2  - NASA SP; 393
PY  - 1976///
CY  - Washington
PB  - National Aeronautics and Space Administration
KW  - Astronomy and Astrophysics Thesaurus
KW  - Comets
KW  - Long Periodic Comets
KW  - Periodic Comets
N1  - Donated by Mrs. Bappu
ER  -