@ARTICLE {BOTTENBERG:1998, title = {Occurrence of phytophagous insects on wild Vigna sp. and cultivated cowpea: comparing the relative importance of host-plant resistance and millet intercropping}, author = {Bottenberg, H. and Tamo, M. and Singh, B. }, journal = {Agriculture, Ecosystems and Environment}, year = {1998}, volume = {70}, pages = {217--229}, }