1. Phage typing of Bacillus subtilis and B. thuringiensis
2. Fujii, H., Oki, K., Makihara, M., Keshino, J. and Takeya, R. (1967). On the formation of mucilage by Bacillus natto. Part VII. Isolation and characterization of a bacteriophage active against “natto”producing bacteria. J. Agric. Chem. Soc. Jpn., 41, 39-43 (in Japanese).
3. Fujii, H., Shiraishi, A., Kaba, H., Shibagaki, M., Takahashi, S. and Honda, A. (1975). Abnormal fermentation in natto production and Bacillus natto phages. J. Ferment. Technol., 53, 424-428 (in Japanese).
4. Gibson, T. and Gordon, R.E. (1974). Genus I. Bacillus. In “Bergey's Manual of Determinative Bacteriology, 8th ed.,” ed. by Buchanan, R.E., Gibbons, N.E., Cowan, S.T., Holt, J.G., Liston, J., Murray, R.G.E., Niven, C.F., Ravin, A.W. and Stanier, R.Y. Williams & Wilkins, Baltimore, pp. 529-550.
5. Restriction endonuclease mapping of pUH1 in Bacillus subtilis (natto).