TY  - BOOK
AU  - Seeds, Michael A.
TI  - Horizons: Exploring the Universe
SN  - 0534189369
AV  - QB 45 .S44 1993 
PY  - 1993///
CY  - Califoria
PB  - Wadsworth
KW  - Astronomy
N1  - includes bibliographical references and index
ER  -