TY  - BOOK
TI  - Science a second course Astronomy and planetary science: cosmology 
SN  - 074925128x
AV  - QB981 .S72 1994
PY  - 1994///
CY  - Keynes
PB  - The Open University
KW  - Cosmology
KW  - Astronomy
N1  - Includes index
ER  -