By R. Packer
By M. Hubbard
By J. Halley
By Bruce Zobel, Jackson B. Jett
By A.C. Cassells, Peter W. Jones
By Robert E Gough (Montana State University, Bozeman, USA)
By Paul Eck, N.F. Childers
By Paul Eck
By Franklin R. Hall, Julius J. Menn
By Stephen Sheppard (Department of Forest Resources Management, University of British Columbia, Canada), Howard Harshaw (Department of Forest Resources Management
By Southcombe, E. S. E.
By M.V. Nemeth
By Hans-Ferdinand Linskens, John F. Jackson
By Peter A. Follett, Jian J. Duan
By Y. Kuroda
By G.W.A. Milne (National Institute of Health, Bethesda, MD)
By Great Britain: Forestry Commission
By Commission of the European Communities
By R.J. Hance
By Eric Wajnberg (INRA, Antibes, France), John Scott (CSIRO, Montferrier-sur-Lez, Paul Quimby (USDA-ARS-EBCL, Montpelier
By Andrew Cobb
By Great Britain: Department of the Environment
By N.R. McFarlane
By I. Ahmed, W.H. Kinsey
By C. Peter Timmer
By Mary Tiffen, Michael Mortimore
By Gittinger, Professor J. Price
By John C. Abbott
By M. J. T. Norman
By W. van den Bor, et al