TY  - BOOK
AU  - Enger,Eldon D.
TI  - Environmental Science: TheStudy of Interrelationships 
SN  - 069705134X
AV  - QH541 .E58 1983
U1  - 574.5 20
PY  - 1983///
CY  - Dubuque, Iowa
PB  - W.C. Brown
KW  - Ecology
KW  - Environmental sciences
N1  - Includes bibliographical references
ER  -