TY  - BOOK
AU  - Morrison,David
AU  - Wolff,Sidney C.
TI  - Frontiers of astronomy
SN  - 0030303486 (pbk.) :
AV  - QP43.2 .M66 1990
U1  - 520 20
PY  - 1990///
CY  - Philadelphia
PB  - Saunders College Pub.
KW  - Astronomy
KW  - Study and teaching
N1  - Includes bibliographical references and index
ER  -