@BOOK {CARTER:1997,
title = {Introduction and diffusion of cassava in Africa: IITA research guide, No. 49},
author = {Carter, S. and Fresco, L. and Jones, P. and Fairbairn, J. N. },
series = {IITA research guide, No. 49},
year = {1997},
month = {July},
publisher = {International Institute of Tropical Agriculture (IITA)},
address = {Ibadan, Nigeria},
isbn = {978-131-116-9},
note = {RTB; Root and Tuber; Cassava.; 33p.},
}