1. Association of Official Agr. Chemists. 1970. Official methods of analysis. (11th Ed.) Washington, DC.
2. Some feeding problems encountered in large dairy herds;Bath,1969
3. Performance of cows individually fed total mixed rations ad libitum. Coop. Res. Farms, Trial CF2 – 269;Braund,1972
4. Automatic milk recording system for fat and protein;Brems,1970
5. Labor requirements for herringbone and other milking systems;Brown;Mich. Agr. Exp. Sta. Quart. Bull.,1959