TY  - BOOK
AU  - Cunningham,William P
AU  - Cunningham,Mary Ann
TI  - Principales of environmental science: inquiry and applications
SN  - 0070581126(pbk)
U1  - 363.7 
PY  - 2004///
CY  - New Delhi
PB  - Tata McGraw-Hill Education
KW  - Environmental sciences
N1  - Incl.index; Glossary :p.379-392; Incl.bib.ref
ER  -