@BOOK {KLING:1992,
title = {Qualite du mais et nutrition: Guide de recherche de l'Iita, No. 33},
author = {Kling, J. },
series = {Guide de recherche de l'Iita, No. 33},
year = {1992},
month = {April},
publisher = {International Institute of Tropical Agriculture (IITA)},
address = {Ibadan, Nigeria},
note = {30p.},
}