@MISC {GILMER:1975, title = {Etiology, epidemiology and control of cowpea mosaic disease: paper presented at the Fourth Annual Conference of the Nigerian Society for Plant Protection, International Institute of Tropical Agriculture, Ibadan, Nigeria, February 11-13, 1974}, author = {Gilmer, R. M. and Williams, R. J. }, year = {1975}, month = {February}, howpublished = {NSPP abstracts; 1972-1975: occasional publication number 1 of the Nigerian Society for Plant Protection. pp. 15-16}, }