Commission of the European Communities, Mason, I. L., Schmidt, J., & Hoffmann, B. (1979). Calving problems and early viability of the calf: A seminar in the EEC programme of coordination of research on beef production held at Freising, Federal Republic of Germany, May 4-6, 1977. M. Nijhoff for the Commission of the European Communities.

Commission of the European Communities, I. L. Mason, J. Schmidt, and Bernd Hoffmann. Calving Problems and Early Viability of the Calf: A Seminar in the EEC Programme of Coordination of Research on Beef Production Held at Freising, Federal Republic of Germany, May 4-6, 1977. The Hague: M. Nijhoff for the Commission of the European Communities, 1979.

Commission of the European Communities, et al. Calving Problems and Early Viability of the Calf: A Seminar in the EEC Programme of Coordination of Research on Beef Production Held at Freising, Federal Republic of Germany, May 4-6, 1977. M. Nijhoff for the Commission of the European Communities, 1979.