TY  - BOOK
AU  - Enger,Eldon D
AU  - Bockarie,Anne Todd
AU  - Smith,Bradley Fraser
TI  - Environmental science: a study of interrelationships 
SN  - 0073204803
U1  - 363.7 
PY  - 2006///
CY  - Boston
PB  - McGraw-Hill
KW  - Ciencias ambientales
UR  - http://www.loc.gov/catdir/toc/ecip0422/2004019843.html
ER  -