TY  - BOOK
AU  - Enger,Eldon D.
AU  - Smith,Bradley Fraser
TI  - Environmental science: a study of interrelationships 
SN  - 0072315474 (acid-free paper)
AV  - GE105 .E53 2002
U1  - 363.7 21
PY  - 2002///
CY  - Boston
PB  - McGraw-Hill
KW  - Environmental sciences
N1  - Incluye index
ER  -