TY  - BOOK
AU  - Saigo cunningham 
TI  - Environmental science :  : A global concern
SN  - 72909323
AV  - GE 105 .C86 2001  
PY  - 2001///.
CY  - USA : 
PB  - Mc graw Hill
KW  - environmental
N1  - Includes index
ER  -