TY  - BOOK
AU  - Enger, Eldon D.
AU  -  Smith, Bradley F.
TI  - Environmental Science
SN  - 978-0-07-338320-0.
AV  - GE105.E54 
CY  - Boston
KW  -  Environmental geography
KW  -  Sciences
KW  - Environmental education
KW  - Environmental sciences
ER  -