The induction of specific protection against Actinobacillus pleuropneumoniae infection by specific DLE / J. Snirc, I. Mikula, J. Pistl
  Bibliogr. 26 tétel, Abstr. eng.
  In: Acta Microbiologica et Immunologica Hungarica. - ISSN 1217-8950. - 1993. 40. évf. 4. sz., p. 325-333.