@ARTICLE {OKOTH:1987, title = {Population density, species composition and infectivity with maize streak virus (MSV) of Cicadulina spp. leafhoppers in some ecological zones in Nigeria}, author = {Okoth, V. A. O. }, journal = {Acta Oecologica. Oecologia Applicata}, year = {1987}, volume = {8}, number = {3}, pages = {191--200}, issn = {0243-7678}, }