@INBOOK {MCHUGH:1991,
title = {A maize and groundnuts stepwise trial in the Ndop Plain, Cameroon},
author = {McHugh, D. },
year = {1991},
type = {On-farm research in theory and practice edited by H.J.W. Mutsaers and P. Walker},
pages = {122--127},
publisher = {International Institute of Tropical Agriculture (IITA)},
address = {Ibadan, Nigeria},
}