TY  - BOOK
AU  - Van Zyl, J. E
TI  - Unveiling the universe : an introduction to astronomy
SN  - 9783540760238
SN  - 96013944
U1  - 520 VAN 
PY  - 1996///
CY  - Berlin
PB  - Springer
KW  - Astronomy
N1  - Includes bibliographical references (p. 315-316) and index
ER  -