@BOOK {MOORMANN:1975,
title = {The soils of IITA},
author = {Moormann, F. R. and Lal, R. and Juo, A. S. R. },
year = {1975},
publisher = {International Institute of Tropical Agriculture},
address = {Ibadan, Nigeria},
note = {IITA Technical Bulletin, No. 3; 50p.},
}