@BOOK {INAIZUMI:1999,
title = {Adoption and impact of dry-season dual-purpose cowpea in the semiarid zone of Nigeria},
author = {Inaizumi, H. and Singh, B. and Sanginga, P. and Manyong, V. and Adesina, A. and Tarawali, S. },
series = {Impact series},
year = {1999},
publisher = {International Institute of Tropical Agriculture (IITA)},
address = {Ibadan, Nigeria},
isbn = {978 131 171 1},
note = {16p.; Impact series},
}