TY  - BOOK
AU  - SAXENA, M. M
TI  - Environmental analysis : water, soil and air
U1  - 363.739 S16E 
PY  - 1990///
PB  - Bikaner
KW  - MAN -- INFLUENCE OF ENVIRONMENTAL
KW  - AIR -- ANALYSIS
KW  - SOILS -- ANALYSIS
KW  - WATER -- ANALYSIS
ER  -