By Dupriez, Hugues, Leener, Philippe De, de Leener, Philippe
By Wilkinson, J.M., Stark, B.A.
By van Veldhuizen, Laurens, Waters-Bayer, Anne, de Zeeuw, Henk
By Wrigley, Gordon
By Acquaah, George
By Schjonning, Per, Christensen, Bent, Elmholt, Susanne
By G. J. Jellis, D. E. Richardson
By Lockhart, J. A. R., Wiseman, A. J. L.
By Nigel Boatman
By Technical Centre for Agriculture
By Nicky Scott, Roy Chadwick
By Purseglove, J. W., Green, C. L., Brown, E. G., Robbins, S. R. J.
By Humphreys, L. R.
By National Research Council, Policy and Global Affairs, Board on Science and Technology for International Development, Panel on Vetiver
By Singh, SR
By Burton, W. G.
By Purseglove, John William, Green, C L, Brown, D.G., Robbins, S.R.J.
By Jain, Shri Mohan, Al-Khayri, Jameel M., Johnson, Dennis V.
By Samson, J. A.
By Webster, C. C., Baulkwill, W. J.
By Munro, J. M.
By Wood BA DTA, G. A. R., Lass B.Sc. DTA, R. A.
By Grist, D. H.
By Hartley, C.W.S.
By Doggett, Hugh, Ph.D.
By J.P. Gaillard, J. Godefroy
By NAP
By White
By Evans, L. T.
By Brigden, Roy