TY  - BOOK
TI  - Exobiology 
SN  - 0720471230
U1  - 574.191 9 PON  
PY  - 1972///.
CY  - Amsterdam : 
PB  - North-Halland Publishing Company, 
KW  - Exobiology
KW  - Life--Origin
KW  - Life on other planets
N1  - Includes index.
ER  -