TY  - BOOK
AU  - Cunningham, William P.
AU  - Cunningham, Mary Ann
TI  - Principles of environmental science: inquiry and applications
SN  - 0-07-064772-0
U1  - 628 ed.4
PY  - 2008///
CY  - New Delhi
PB  - Tata McGraw - Hill Pub.
KW  - 1. ENVIRONMENTAL SCIENCE
N1  - Includes figures, tables, glossary & index
ER  -