TY  - BOOK
AU  - Botkin, Damiel B..
TI  - Environmental Science
SN  - 978-81-265-2038-1
U1  - 333.707 BOT 
PY  - 2007///
CY  - New Delhi
PB  - John wiley & sons
N1  - Includes bibliographical references and index; EDN 4212 Environmental Science
ER  -