Detection of geminiviruses from tropical countries by a double monoclonal antibody ELISA using antibodies to African cassava mosaic virus L. Givord, D. Fargette, B. Kounounguissa, JC Thouvenel, B. Walter and MHV Van Regenmortel Agronomie, 14 5 (1994) 327-333 DOI: 10.1051/agro:19940506