TY  - BOOK
AU  - Markandeya, Dileep Kumar
TI  - Parichayatmak paryavaran pradushan avam niyantaran: Ek samanya avlokan
U1  - 577.4:628.19 M33P 
PY  - 1991///
CY  - Delhi
PB  - Standard publishers distributors
KW  - Paryavaran
ER  -