20 1 10 Hardy, B. Additional Author Byerlee, D. Additional Author Rozelle, S. Additional Author Dobermann, A. Additional Author Pandey, S. Additional Author Mohanty, S. Additional Author Dawe, D. Additional Author Johnson,A.C Additional Author mixed material Washington,D.C USDA, Economic Research Service 1973 Pilleri,G. Additional Author Byerlee, D. Additional Author A.D. Sheikh Additional Author Kiramat Khan Additional Author Munir Ahmad Additional Author mixed material Karachi-Pakistan. Sind Wildlife Management Board, Wildlife and Forest Department, Government of Sind. 1980 Byerlee, D. Additional Author Kiramat Khan Additional Author Munir Ahmad Additional Author Mohammad Saleem Additional Author Stevens, E.J. Additional Author Snell,E.E, Boyer,P.D, Meister,A and Richardson,C.C Additional Author mixed material California Annual Reviews Inc, Palo Alto, California, 1974 Byerlee, D. Additional Author Stevens, E.J. Additional Author M. Ramzan Akhtar Additional Author Heisey, P.W. Additional Author Lowe,J.L Additional Author mixed material USA State University College of Forestry 1957 Conrat,H.F and Wagner,R.R. Additional Author Byerlee, D. Additional Author Stevens, E.J. Additional Author M. Qasim Chathe Additional Author Muhammad Salim Additional Author mixed material New York Plenum Press. 1974 1) Byerlee, D. Additional Author Sheikh, A.D. Additional Author Quraishi,M.A and Khan,S.A Additional Author Azeem, M. Additional Author mixed material Peshawar Pakistan forest Institute 1971 Byerlee, D. Additional Author Munir Ahmad Additional Author Muhammad Azeem Additional Author Zulfiqar Ahmad Additional Author Odum,E.P Additional Author mixed material London W.B. Saunders Company 1971 Vol. II) Byerlee, D. Additional Author Stevens, E.J. Additional Author M. Ramzan Akhtar Additional Author Heisey, P.W. Additional Author Sargent,C,S Additional Author mixed material New York Dover Publications, Inc 1949 Byerlee, D. Additional Author Stevens, E.J. Additional Author M. Qasim Chatha Additional Author Mohammed Salim Additional Author Lerche,C and Khan,A.S Additional Author mixed material Peshawar Pakistan Forest Institute, Peshawar 1967 Byerlee, D. Additional Author A.D. Sheikh Additional Author Kiramat Khan Additional Author Munir Ahmad Additional Author Pryor,L.D Additional Author mixed material Peshawar Pakistan Forest Institute, Peshawar 1967