1. S. A. Waksman, “The Actinomycetes,” 2, “Classification, Identification and Description of Genera and Species,” The Williams & Wilkins Co., Baltimore, 1961.
2. Y. Okami, M. Hamada, M. Manabe, and A. Seino, Experimental Manual for Identification of Actinomycetes Society for Japanese Actinomycetes Research, Tokyo, 1985.
3. S. Horinouchi, H. Ishizuka, and T. Beppu, Japan Kokai Tokkyo Koho, 3, 251182 (Nov. 8, 1991).
4. T. Azuma, JIS Z 8721 Junkyo Hyojun-Shikihyo Zaidan-Hojin Nippon Kikaku Kyokai Japan (1977).