TY  - BOOK
AU  - Enger, Eldon D.
AU  - Smith, Bradley F.
TI  - Environmental science: a study of interrelationships /Eldon D. Enger, Bradley F. Smith
SN  - 069709880X
U1  - 333.7 
PY  - 1992///
CY  - Dubuque
PB  - WCB
ER  -