@INBOOK {JOHN: 1986, title = {Disease and insect pests of Wetland rice in tropical Africa}, author = {John, V. T. and Alam, M. S. and Thottappilly, G. }, year = {1986}, type = {The Wetlands and Rice in sub-Saharan Africa edited by A.S.R. Juo and J.A. Lowe}, pages = {141--150}, }