TY  - BOOK
AU  - Bless,Robert C.
TI  - Discovering the cosmos
SN  - 0935702679 (acidfree paper)
AV  - QB43.2 .B585 1996
U1  - 520 20
PY  - 1996///
CY  - Sausalito, Calif.
PB  - University Science Books
KW  - Astronomy
N1  - Includes bibliographical references and index
ER  -