TY  - SER
AU  - Gupta,A.B..
TI  - Journal of environment and pollution (1999) / 
U1  - 363.7305 
PY  - 1999///
CY  - Joipur : 
PB  - Technoscience Publications , 
KW  - ENVIRONMENT-POLLUTION
N1  - Library has : V.6, no.1-4, 1999; NULL
ER  -