@BOOK {AKEM:1996,
title = {Management of soybean diseases: IITA research guide, No. 40},
author = {Akem, C. },
series = {IITA research guide, No. 40},
year = {1996},
month = {March},
publisher = {International Institute of Tropical Agriculture (IITA)},
address = {Ibadan, Nigeria},
note = {36p.},
}