By Burton, W. G.
By Singh, SR
By National Research Council, Policy and Global Affairs, Board on Science and Technology for International Development, Panel on Vetiver
By Humphreys, L. R.
By Purseglove, J. W., Green, C. L., Brown, E. G., Robbins, S. R. J.
By Goody, Jack
By Lymbery, Philip
By Brassey, Richard
By Bill Turnbull
By Dutta, Reginald
By Bender, Barbara
By Tudge, Colin
By David R. Harris Director Institute of Archaeology University College London.
By Lawson, Laura J.
By Mcgregor, James H. S.
By Bellwood, Peter
By Worster, Donald
By Hillel, Daniel
By Diao, Xinshen, Thurlow, James, Hazell, Peter, Resnick, Danielle
By Hudson, W. H.
By Cynthia L.Copeland
By Reiley, H. Edward, Shry Jr., Carroll L.
By Johnston, A, Booth, C.
By Dawson, Peter
By Nicky Scott, Roy Chadwick
By Herbert L, Edlin
By Hills, Lawrence D.
By Lee, R.E.
By Jones, Richard