CTA proceedings Small ruminant research and development in Africa proceedings of the Second Biennial Conference of the African Small Ruminant Research Network held in Arusha, Tanzania from 711 December, 1992. The 255 pages proceedings are edited by S Lebbie, B Rey and E Irungu and are available from the International Livestock Research Institute (ILRI), PO Box 5689, Addis Ababa, ETHIOPIA or CTA. Safeguarding the genetic basis of Africa's traditional crops is the proceedings of a CTA/IPGRI/KARI/UNEP Seminar held in Nairobi, Kenya from 5-9 October, 1992. The proceedings are available from the International Plant Genetic Resources Institute (IPGRI), Via delle Sette Chiese 142, 00145 Rome, ITALY or CTA. Promotion de systèmes agricole...