Book
Terry, Eugene R.
Terry, E.R.; MacIntyre, Reginald (eds.). 1975. The international exchange and testing of cassava germ plasm in Africa : Proceedings of an interdisciplinary workshop, Ibadan, Nigeria, 1975 . International Development Research Centre (IDRC); International Institute of Tropical Agriculture (IITA), Ottawa, CA. 59 p. (IDRC 063e)