By Westphal, Hildegard, Riegl, Bernhard, Eberli, Gregor P.
By Sutton, Mark A., Mason, Kate E., Sheppard, Lucy J., Sverdrup, Harald, Haeuber, Richard, Hicks, W. Kevin
By Berkowitz, Brian
By Rudra, Kalyan
By Justes, Eric
By Lichtfouse, Eric
By Adel A Kader
By Bridge, John, Demicco, Robert
By Ellis, Derek
By Rosemary Hagedorn
By D.C. Coleman, J. Malcolm Oades, Goro Uehara
By P. L. Woomer, M. J. Swift
By A. Page
By Josep G. Canadell, Diane E. Pataki, Louis F. Pitelka
By Andrea Wulf
By Horst Marschner (Universitat of Hohenheim, Germany)
By Maurice Bonneau, Bernard Souchier, V.C. Farmer
By IAEA
By Fidler, J.C., Wilkinson, B.G., Edney, K.L., Sharples, R.O.
By Bruce Schaffer, Peter C. Andersen
By R. J. Garner
By Carlo Petrini, Alice Waters, Clara Furlan, Jonathan Hunt
By A. Faniran, O. Areola
By Ruck, H.C.
By J.M. Hodgson
By R. P. C. Morgan
By T. R. Paton
By Scott, C.R.
By William Adams, Richard Gibbs (New Zealand Turf Culture Institute)