1. Effect of planting and harvesting of sweet potato (Ipomoea batatas (L.) Lam) on yield and insect damage in South-Eastern Nigeria;Anioke;Entomon,1996
2. Azerefegne , F. 1999 The sweet potato butterfly Acraea acerata in Ethiopia - ecology and economic importance PhD Thesis
3. What causes population cycles of forest Lepidoptera?;Berryman;Trends in Ecology and Evolution,1996
4. Detection of delayed density dependence: comment;Berryman;Ecology,1997