Leaning, W. H. D. (1987). The economic impact of parasitism in cattle: Proceedings of the MSD AGVET Symposium ; August 19, 1987, in association with the 23 World Veterinary Congress Montreal, Quebec, Canada. Veterinary Learning Systems Co.
Chicago-Zitierstil (17. Ausg.)Leaning, William H. D. The Economic Impact of Parasitism in Cattle: Proceedings of the MSD AGVET Symposium ; August 19, 1987, in Association with the 23 World Veterinary Congress Montreal, Quebec, Canada. Veterinary Learning Systems Co, 1987.
MLA-Zitierstil (9. Ausg.)Leaning, William H. D. The Economic Impact of Parasitism in Cattle: Proceedings of the MSD AGVET Symposium ; August 19, 1987, in Association with the 23 World Veterinary Congress Montreal, Quebec, Canada. Veterinary Learning Systems Co, 1987.