TY  - BOOK
AU  - Dilip Kumar Markandey
AU  - Neelima Rajvaidya Markandey
TI  - Environmental surveillance
SN  - 9788131300060
U1  - 333.703 DIL 
PY  - 2006///
CY  - New Delhi
PB  - A.P.H Publishing Corporation
KW  - Environmental monitoring -- Dictionaries
KW  - Environmental sciences -- Dictionaries
N1  - Includes bibliographical references
ER  -