TY  - BOOK
AU  - Enger,Eldon D.
TI  - Concepts in biology
SN  - 0697045625
AV  - QH308.2 .C66 1979
U1  - 574 
PY  - 1979///
CY  - Dubuque, Iowa
PB  - W. C. Brown Co.
KW  - Biology
N1  - Includes index; Bibliography: p. 506
ER  -