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2. Zur Immunisierung gegen die Pferden Influenza aus der Bundesforschungsanstalt für Viruskrankheiten der Tiere in Tübingen a.N;Bohm,1968
3. Immunization for equine influenza;Bryans;Journal of the American Veterinary Medical Association,1966
4. The evaluation of an experimental bivalent equine influenza virus vaccine;Demeio;Journal of the American Medical Veterinary Association,1969
5. Etude experimentale de quelques propriétés de sérums antigrippe monovalents et polyvalents;Fontaine;Revue d'Immunologie, Paris,1963