@ARTICLE {HUGHES:1995, title = {Evidence from the virobacterial agglutination test for the existence of eight serogroups of cocoa swollen shoot virus}, author = {Hughes, J. and Adomako, D. and Ollennu, L. A. A. }, journal = {Annals of Applied Biology}, year = {1995}, volume = {127}, pages = {297--307}, }