"S.T. Swift,I.Y. NAJITA,kazuhisa ohtaguchi,A.G. Fredrickson","Some Physiological Aspects of the Autecology of the Suspension-Feeding Protozoan Tetrahymena pyriformis",,"Microbial Ecology","Springer-Verlag","Vol. 8",,"p. 201-215",1982,Dec.
"S.T. Swift,I.Y. NAJITA,kazuhisa ohtaguchi,A.G. Fredrickson","Continuous culture of the ciliate Tetrahymena pyriformis on Escherichia coli",,"Biotechnology and Bioengineering","John Wiley & Sons Inc.","Vol. 24","No. 9","p. 1953 - 1964",1982,Sept.
"P.J. Watson,kazuhisa ohtaguchi,A.G. Fredrickson","Kinetics of Growth of the Ciliate Tetrahymena pyriformis on",,"Journal of General Microbiology",,"Vol. 122",,"p. 323-333.",1981,Dec.