TY  - BOOK
AU  - Levy,David H.
TI  - David Levy's guide to observing and discovering comets
SN  - 0521520517 (pbk)
U1  - 523.6 
PY  - 2003///
CY  - New York 
PB  - Cambridge University Press
KW  - Comets-Popular work
KW  - Physics
KW  - Discovering comets
KW  - Picture-Comets
KW  - Hunting-Paper
KW  - Visual comet
KW  - Tails-Trails
KW  - Hit planet
KW  - RICAS
N1  - Includes appendix and index
ER  -