TY  - BOOK
AU  - Zeilik,Michael
AU  - Gregory,Stephen A.
TI  - Introductory astronomy and astrophysics
SN  - 0030062284 :
AV  - QB43.2 .Z45 1998
PY  - 1998///
CY  - London
PB  - Thomson Learning
KW  - Astronomy
KW  - Astrophysics
ER  -