TY  - BOOK
AU  - 
AU  - Enger, Eldon D.
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 0697051226 (paperback)
SN  - 2
PY  - 1988///;copyright 198846
CY  - Dubuque, Iowa
PB  - W.C. Brown
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Biology
N1  - Includes index; 5
ER  -