TY  - BOOK
AU  - Enger, Eldon D.
AU  - Smith, Bradley F.,
TI  - Environmental science: a study of interrelationships 
SN  - 9781259253089
PY  - 2016///
KW  - Environmental sciences
KW  - Textbooks
KW  - sears
N1  - Includes index
ER  -