TY - BOOK AU - Straub,O.C. ED - International Symposium on Bovine Leukosis TI - Fourth international symposium on bovine leukosis: a Seminar in the EEC Programme of Coordination of Research on Animal Pathology SN - 9024726042 (vol.15) PY - 1981/// CY - The Hague PB - Martinus Nijhoff Publishers for The Commission of the European Communities KW - Bovine leukosis KW - Congresses N1 - Includes references ER -