TY  - BOOK
AU  - Enger,Eldon D.
AU  - Bradley,F.Smith
TI  - Environmental science: a study of interrelationships 
SN  - 0072440007 (papel libre de acido)
AV  - QH541 E56 2004
PY  - 2004///
CY  - Boston, Massachusetss, México City
PB  - McGraw-Hill Higher Education
KW  - Ciencias ambientales
ER  -