1. Effect of predicted differences for milk and type on demand for semen of Holstein bulls;Bell;J. Dairy Sci.,1976
2. Income over investment in semen;Everett;J. Dairy Sci.,1975
3. A service sire index for proven bulls in artificial insemination;Johnson;J. Dairy Sci.,1977
4. A first course in methods of miltivariate analysis;Kramer,1972
5. Net returns from using genetically superior sires;McGilliard;J. Dairy Sci.,1978