@BOOK {BUCKLAND:1998,
title = {Analyse sexospecifique dans la production agricole: Guide de recherche de l'Iita, No. 58},
author = {Buckland, L. and Haleegoah, J. },
series = {Guide de recherche de l'Iita, No. 58},
year = {1998},
publisher = {International Institute of Tropical Agriculture (IITA)},
address = {Ibadan, Nigeria},
note = {27p.},
}