TY  - BOOK
AU  - Cunningham,William P.
AU  - Saigo,Barbara Woodworth
TI  - Environmental science : a global concern 
SN  - 0-697-36023-7
U1  - 574.5 
PY  - 1999///
CY  - Boston 
PB  - WCB/McGraw-Hill
KW  - Environmental sciences
ER  -