TY  - BOOK
AU  - Enger, Eldon D
AU  - Smith, Bradley F
TI  - Environmental science: a study of interrelationships. (13th ed.)
SN  - 9780071318150
AV  - GE 105 Eng 
PY  - 2013///
CY  - New York
PB  - McGraw-Hill
KW  - ENVIRONMENT
KW  - ECOLOGY
KW  - ENVIRONMENTAL SCIENCES
ER  -