TY  - BOOK
AU  - Vyas, Harish Chandra
AU  - Vyas, Kailash Chandra
TI  - Manav aur paryavaran
U1  - 574.5264 21st
PY  - 1991///
CY  - New Delhi
PB  - Vidya Vihar
KW  - Man; Ecology; Population; Land; Water
ER  -