TY  - BOOK
AU  - Zeilik Michael
AU  - Stephen A. Gregory
AU  - Elske V. P. Smith
TI  - Introductory Astronomy And Astrophysics
SN  - 0030316979
AV  - QB 45 .Z45 1992
PY  - 1992///
CY  - New York
PB  - Saunders College Publishing
KW  - Astronomy
KW  - Astrophysics
ER  -