TY - BOOK AU - Dhoundiyal, B N TI - Ecological development of himalayas [with particular reference to central and western himalayas]: an approach paper U1 - 333.7509451 21st PY - 0000///[19-?] CY - [S.l.] PB - [s.n.] KW - Ecology-Himalayas; Soil conservation-Himalayas; Arigulture-Himalayas ER -