TY  - BOOK
AU  - Levy,David H.
TI  - David Levy's guide to observing and discovering comets
SN  - 052182656X (hbk.)
PY  - 2003///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Comets
KW  - Popular works
N1  - Includes index
ER  -