Bekker, Theo Frederik; Kaiser, Clive; Labuschagne, Nico(South African Society of Crop Production/ Soil Science Society of South Africa/ South African Weed Science Society/ South African Society for Horticultural Sciences, 2009)
Kuzmin, Ivan V.; Niezgoda, Michael; Franka, Richard; Agwanda, Bernard; Markotter, Wanda; Beagley, Janet C.; Urazova, Olga Yu; Breiman, Robert F.; Rupprecht, Charles Edward(American Society for Microbiology, 2008-04)