TY  - BOOK
AU  - Dillon,Lawrenc S.
TI  - Animal variety: an evolutionary account 
SN  - 0697045900
PY  - 1980///
CY  - Dubuque
PB  - C. W. Brown Co. Publishers
KW  - Animals
KW  - Variation
KW  - Evolution
N1  - Includes bibliographies and index; Open access
ER  -