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2. and in The Yeasts, and Eds. (Academic, London, 1971), Vol. 2, p. 271.
3. in Methods in Cell Biology, Ed. (Academic, New York, 1975), Vol. 11, p. 97.
4. dissertation No. 5504, ETH, Zurich, 1975.
5. in Annual Reports on Fermentation Processes, Ed. (Academic, New York, 1982), Vol. 5, p. 211.