49 1 10 Qadri,S.M.A Additional Author Hopeen, H.J. Additional Author mixed material Peshawar Pakistan Forest Research Institute 1983 Behan,M Additional Author Bagenal, T.B. Additional Author mixed material USA Division Of Biological Sciences University Of Montana Missoula 1992 Behan,M Additional Author Choudry Muhammad Afzal Additional Author mixed material USA Division Of Biological Sciences University Of Montana Missoula 1992 Guide, A.D.I.Y. Additional Author Gjessing,D.T Additional Author mixed material USA Ann Arbor Science Publishers Inc 1978 Ali Ahmad R Additional Author hawa Additional Author Ch. Ghulam Rasool Additional Author M.Rafiq-ur-Rehman Additional Author Ageikin,I.S Additional Author mixed material New Delhi Amerind Publishing Co, Pvt. Ltd., New Delhi 1987 International Symposium On Bustards Additional Author Brown, A.F.A. Additional Author mixed material Peshawar International Council for Birds Preservation 1985 FAO Additional Author Everett, T.R. Additional Author mixed material Rome FAO, of the United Nation 1979 Kemper, W.D. Additional Author Trout, T. Additional Author Aust, R. Additional Author Faber,O Additional Author mixed material London Oxford University Press 1951 Dryland Ecology in Social Perspective Spooner,B and Mann,H.S Additional Author Rudnev, V.K. Additional Author mixed material London Academic Press 1982 IUCN Additional Author mixed material Germany IUCN, The World Conservation Union 1993