TY  - BOOK
AU  - Gregory,William King
TI  - Evolution emerging : a survey of changing patterns from primeval life to man
U1  - 575 GRE  
PY  - 1951///.
CY  - New York : 
PB  - The Macmillan Company, 
KW  - Evolution (Biology)
KW  - Phylogeny
KW  - Vertebrates, Fossil
N1  - Includes index.
ER  -