9 1 10 1) Anon Additional Author Ellendorff, F. Additional Author Elsaesser, F. Additional Author mixed material South Africa Crown Printers 1995 Symposium on Phase and Caste Determination in Insects (Washington D.C.) Additional Author Saharia,V.B. Additional Author mixed material India Natraj Publishers 17, Rajpur Road, Dehra Dun. 1982 Weisz,P.B Additional Author Bennett, G.W. Additional Author mixed material New York McGraw- Hill Book Company 1959 United States Department of Agriculture Additional Author Ellendorff, F. Additional Author Taverne, M. Additional Author Smidt, D. Additional Author mixed material USA U.S. Government Printing Office Washington, D.C. 1949 Muhammad,S Additional Author Finn, C.A. Additional Author mixed material Lahore Government Printing Press 1972 Jan,A Additional Author Finn, C.A. Additional Author mixed material Peshawar Aerial Forest Inventory Project Peshawar 1969 Klauber,L.M. Additional Author International Endocrine Rymposium (7th: 1979: London) Additional Author mixed material Los Angeles University of California Press 1956 Novy, M.J. Additional Author Resko, J.A. Additional Author (eds.) Additional Author Greenfield,I Additional Author mixed material London Leonard Hill [Books] Limited 1962 Anon Additional Author Cumming, I.A. Additional Author Funder, J.W. Additional Author Mendelsohn, F.A.O. (eds.) Additional Author mixed material China The National Poplar Commission of China 1984