333.7509451
D535E
           Dhoundiyal, B N
               Ecological development of himalayas [with particular reference to central and western himalayas] an approach paper \ B N Dhoundiyal - [S.l.] : [s.n.], [19-?].
               Vp.
C3530
C7960
                Subjects: Ecology-Himalayas; Soil conservation-Himalayas; Arigulture-Himalayas.