@TECHREPORT {IITA:1993j, title = {IITA Crop Improvement Division; Root and Tuber Improvement Program - Archival Report (1989-1993): part 1. cassava breeding, cytogenetics and histology vol. 1. Germplasm improvement}, author = {IITA, }, year = {1993}, month = {October}, institution = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, note = {RTB; Cassava; 197p.}, }