Europäische Kommission Generaldirektion Landwirtschaft. (1991). The new pig disease: Porcine respiration and reproductive syndrome. A report on the seminar/workshop held in Brussels on 29-30 April 1991 and organised by the European Commission (Direktorate General for Agriculture). Commission of the European Communities.
Chicago-Zitierstil (17. Ausg.)Europäische Kommission Generaldirektion Landwirtschaft. The New Pig Disease: Porcine Respiration and Reproductive Syndrome. A Report on the Seminar/workshop Held in Brussels on 29-30 April 1991 and Organised by the European Commission (Direktorate General for Agriculture). Brussels: Commission of the European Communities, 1991.
MLA-Zitierstil (9. Ausg.)Europäische Kommission Generaldirektion Landwirtschaft. The New Pig Disease: Porcine Respiration and Reproductive Syndrome. A Report on the Seminar/workshop Held in Brussels on 29-30 April 1991 and Organised by the European Commission (Direktorate General for Agriculture). Commission of the European Communities, 1991.