1. Hahn, S.K., Osiru, D.S.O., Akoroda, M.O., Otoo, J.O., 1993. Production of Yams: Present Role and Future Prospects. IITA Research Guide, 46pp.
2. Dot blots (viruses) and colony screening;Hammond,1990
3. Serological Methods for Detection and Identification of Viral and Bacterial Plant Pathogens. A Laboratory Manual,1990
4. Development of serological procedures for rapid, sensitive and reliable detection of rice grassy stunt virus;Hsu;Plant Disease,1990
5. Direct tissue blotting for the detection of tomato spotted wilt virus in Impatiens;Hsu;Plant Disease,1991