TY  - BOOK
AU  - Cunningham,William P., Cunningham, Mary Ann
AU  - x
TI  - Principles of environmental science: Inquiry and applications
SN  - 0072509317
U1  - 573.4/C973p 
PY  - 2004///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Environmental sciences
KW  - Environment
N1  - Includes
ER  -