citation
Trutmann, Peter. 1992. Epidemiology in pure stands and varietal mixtures: Overview. In: Smithson, James Brady; Trutmann, Peter (eds.). African Bean Pathology Workshop (1, 1987, Kigali, Rwanda). Proceedings. Centro Internacional de Agricultura Tropical (CIAT), Dar es Salaam, TZ. p. 59-62. (CIAT African workshop series no. 20)