@TECHREPORT {IITA:1992a, title = {Highlights of scientific findings Annual Report 1991: RCMP Research monograph, No. 12}, author = {IITA, }, year = {1992}, institution = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, note = {RCMP Research monograph, Annual Report 1991. No. 12.; 35p.}, }