1. Bartholomew, J. W., and R. Levin, 1955: The structure ofSaccharomyces carlsbergensis andS. cerevisiae as determined by ultra-thin sectioning methods and electron microscopy. J. Gen. Microbiol.12, 3, 473?477.
2. Naiki, N., T. Minagawa, Y. Arakatsu, and J. Ashida, 1954: Studies on the adaptation of yeast to copper IX. Copper-combining capacity of resistant cells. Mem. Coll. Sci., Univ. Kyoto B,21, No. 1, 87?95.
3. Naiki, N., 1957a: Pitto XVII. Copper-binding nitrogenous substances of copper-resistant substrain. Ibid., 235?241.
4. ?, 1957 b: Ditto XVIII. Copper-binding sulfur substances of the copper-resistant strain. Ibid., 243?248.
5. ?, 1961: Ditto XX. Production of hydrogen sulfide by a copper resistant strain. Sci. Rep. Fac. Liberal Arts and Educ., Gifu Univ., Nat. Sci.2, 498?508.