1. Rapid Methods for Estimating the Quality of Bull Semen;Beck;J. Dairy Sci.,1943
2. The Resazurin Test—a Review of Recent Work;Davis;Dairy Inds.,1940
3. Resazurin as an Indicator of Bovine Semen Quality: The Effect of Standardizing Sperm Concentration;Ehleks,1950
4. Erb, R. E., Ehlers, M. H., Mikota, L., and Schwarz, E. The Relation of Simple Semen Quality Tests to Fertilizing Capacity of Bull Semen. Wash. Agr. Expt. Sta. Tech. Bull., 2. 1950.
5. The Interrelationships of Laboratory Semen Quality Tests and their Utility in Predicting Fertilizing Capacity;Erb,1950