TY  - GEN
AU  - ENGER, Eldon D.
TI  - Environmental science: a study of interrelationships
SN  - 0-07-111708-3
AV  - GE 105 .E54 2006 
PY  - 2006///
CY  - Boston
PB  - McGraw-Hill Higher Education
KW  - Environmental sciences
ER  -