TY  - BOOK
AU  - Kumar, Dhurendra
AU  - Garg, Mridula
TI  - Prithvi aur paryavaran
U1  - 363.73 21st
PY  - 1995///
CY  - Delhi
PB  - Sahitya Bharat
KW  - Earth-Origin; Ecology; Air
ER  -