1. Interrelationships between ciliate protozoa and bacteria in the sheep's rumen;Appleby;J. Appl. Bact.,1956
2. The protozoan fauna of the rumen and reticulum of American cattle;Becker;Iowa State Coll. J. Sci.,1927
3. The development of rumen microorganisms in inoculated vs. isolated growing calves;Bryant;J. Dairy Sci.,1956
4. Monographie der Familie Ophryoscolecidae;Dogiel;Arch. Protistenk.,1927
5. Observations on bacterial feeding by the rumen ciliate Isotricha prostoma;Gutierrez;J. Protozool.,1958