edited by H. van Amstel, J.W.T. Bottema, M. Sidik and C.E. van SantenRegional Co-ordination Center for Research and Development of Coarse Grains, Pulses, Roots and Tuber Crops in the Humid Tropics of Asia and the Pacific : Research Institute for Legume and Tuber Crops : Agronomy Society of Indonesia1996