1. California dairy industry statistics,1980
2. A workable milk pricing system based on cheese yields;Ernstrom,1980
3. The California experience in component pricing;Gruebele;J. Dairy Sci,1979
4. USDA dairy situation. 1981. Econ. Res. Ser., DS–386.
5. USDA federal milk order market statistics. AMS Dairy Div. FMOS 237–248.