1. De Boer , G. F. 1970 Zwoegerziekte. A persistent virus infection in sheep Thesis University of Utrecht 1 211
2. Topographical analysis by monoclonal antibodies of BLV-gp51 epitopes involved in viral functions;Bruck;Virology,1982
3. Visna-maedi in sheep;Gudnadóttir;In Progr. med. Virol.,1974
4. A topological and functional model of epitopes on the structural glycoprotein of tick-borne encephalitis virus defined by monoclonal antibodies;Heinz;Virology,1983
5. Hoff-Jørgensen , R. 1971 Slow virus (visna-maedi) in Danish sheep 39