TY  - BOOK
AU  - Hartmann,William K.
TI  - The cosmic voyage : : through time and space 
SN  - 0534173764
AV  - QB43.2 .H36 1992
U1  - 520 20
PY  - 1992///
CY  - Belmont
PB  - Wadsworth Pub. Co.
KW  - Astronomy
N1  - Includes bibliographical references (p. 485-491) and index
ER  -