The Environment Encyclopedia and Directory 2001 (3rd Edition) (Ref:

6 1 10 The Environment Encyclopedia and Directory 2001 (3rd Edition) (Ref: 1) Rhoades, R.E. Additional Author Anon Additional Author mixed material London Europa Publications Limited London 2001 Vegetation And Watershed Management Colman,E.A Additional Author Hammond, P.B. Additional Author mixed material New York The Ronald Press Company 1953 Physical Geology Hicks, C.S. Additional Author Gorshkov,G and Yakushova,A Additional Author mixed material Moscow Mir Publishers 1967 Forest Measurements (5th Edition) Rouse, I. Additional Author Avery,T.E and Burlhart,H.E Additional Author mixed material New York McGraw- Hill Book Company 1975 A Note On the Plants Of Medicinal Value Found In Pakistan Zaman,M.B and Khan,A.H Additional Author Mammond, P.B. Additional Author mixed material Abbottabad Pakistan Forest Research Institute, Abbottabad 1956 Ecological Indicators for the Assessment of the Quality of Air, Water, Soil, and Ecosystems (Papers presented at a Symposium held in Utrecht, October 1982. (Volume No.3) Barlett, P.F. Additional Author Best,E.P.H and Haeck,J Additional Author mixed material Dordrecht D. Reidel Publishing Company 1983