1. Coppock, C. E., R, S. Adams, R. W. Everett, E. M. Kesler, J. K. Loosli, J. S. Taylor, and R. Albrectsen. 1970. Complex mineral-vitamin supplementation for dairy cows. A field study. Bull. 759, The Pennsylvania State University, University Park.
2. Coppock, C. E., R. W. Everett, R. P. Natzke, and H. R. Ainslie. 1968. An investigation of the effect of length of dry period on the production of milk in the following lactation. Cornell University Agr. Exp. Sta., Animal Sci. State Project 563.
3. Sample size for experiments on milk yield;Gill;J. Dairy Sci.,1969
4. Preliminary evaluation of a method of reducing mastitis infections in dairy eows. (Abstr.);Meek;J. Dairy Sci.,1969
5. Concepts and recent developments in mastitis control;Roberts;J. Amer. Vet. Med. Ass.,1969