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3. B. E. S. Gunning and M. W. Steer, “Ultrastructure and the Biology of Plant Cells,” Arnold, London, 1975.
4. W. Stubbe, in “Origin and Continuity of Cell Organelles,” ed. by J. Reinert and H. Ursprung, Springer-Verlag, Berlin, 1971, pp. 65–81.
5. R. M. Leech, in “Plant Structure, Function, and Adaptation,” ed. by M. A. Hall, Macmillan Press, London, 1976, pp. 65–81.