TY  - BOOK
AU  - Volpe,Erminio Peter
TI  - Understanding evolution
AV  - QH366 .V57 1967
U1  - 575 
PY  - 1967///
CY  - Dubuque , Iowa
PB  - Brown Co.
KW  - Evolution Biology
KW  - Local
N1  - Includes bibliographical references
ER  -