TY  - BOOK
AU  - CHHATWAL G.R. (ED).
AU  - MEHRA M.C. (ED),
TI  - ENVIRONMENTAL ANALYSIS ( AIR, WATER AND SOIL)
SN  - 8170412293 (HBK)
U1  - 577  CHH/EN 
PY  - 1999///
CY  - NEW DELHI
PB  - ANMOL PUBLICATIONS
KW  - GENERAL CONSIDERATIONS
KW  - WATER SAMPLING
KW  - AIR SAMPLING
KW  - SOIL SAMPLING
ER  -