TY  - BOOK
AU  - Rana,S.V.S.
TI  - Environmental studies
SN  - 8171337287
AV  - GE105 .A33 2006
PY  - 2004///
CY  - Meerut
PB  - Rastogi
KW  - Environmental sciences
KW  - Human ecology
KW  - Pollution
KW  - sears
N1  - Includes bibliographical references and index
ER  -