TY  - BOOK
AU  - Cunningham,William P.
AU  - Cunningham,Mary Ann
AU  - Siago,Barbara Woodworth
TI  - Environmental Science: a global concern 
SN  - 0072930748
U1  - 363.7 22
PY  - 2003///
CY  - Boston
PB  - McGraw-Hill
KW  - Environmental sciences
N1  - Includes index (p. 619-646)
ER  -