TY  - BOOK
AU  - Levy, David H.
TI  - David Levi's guide to observing and discovering comets
SN  - 0521520517
U1  - 523.6 L664 22
PY  - 2003///
CY  - Cambridge, UK
PB  - Cambridge University Press
KW  - Comets
KW  - Observer's manuals
KW  - Popular works
N1  - Includes index
ER  -