Royal Botanic Gardens, Kew
IAEA, World Soybean Research Conference III, Winged bean, Fabaceae, IV Latin American Botanical Congress, Lotus Newsletter, FAO, Leguminosae, Mansfeld's catalogue (2nd edition), International Organization of Plant Biosystematists, Psophocarpus, Rhizobial bacteria, Legume crops, Psophocarpus tetragonolobus, Legume researchers, Legumes, Legume systematics, Seeds, and Nitrogen fixation in grain legumes