TY  - BOOK
AU  - Petersen, Kai
AU  - Zappler, George
AU  - Hancke, Verner
TI  - Prehistoric life on earth
U1  - 569.6 
PY  - 1963///
CY  - London
PB  - Methuen & co. ltd
KW  - Evolution
KW  - Paleontology
N1  - Includes  index
ER  -