Genetic resources of cruciferous crops: IBPGR Secretariat Consultation on the Genetic Resources of Cruciferous Crops, Rome, 17-19 November 1980
Crop genetic resources - the conservation of difficult material: Proceedings of an international workshop, 8-11 September 1980, University of Reading, U.K.
Influence of method of VA mycorrhizal inoculum placement on the spread of root infection in field-grown cassava
Mammalian wildlife diseases as hazards to man and livestock in an area of the Llanos Orientales of Colombia