R.B.Singh ----[etal] Sustainable development of mountain environment in India and Canada. - New Delhi Oxford & IBH Publications. 1998 - 25 cm. 345 page 1 25 cm. ISBN: 81-204-1286-9 Standard No.: Available Source: Available Subjects--Personal Names: Subjects--Topical Terms: Dewey Class. No.: 363.7054071 SIS