1. U. Zimmermann, in: Integration of Activity in the Higher Plant, p. 117. Ed. D. H. Jennings. The University Press, Cambridge 1977.
2. U. Zimmermann, A. Rev. Plant Physiol.29, 121 (1978).
3. A. G. Macdonald and K. W. Miller, in: Biochemical and Biophysical Perspectives in Marine Biology, vol. 3, p. 117. Ed. D. C. Malins and J. R. Sargent. Academic Press, New York 1976.
4. A. M. Zimmermann, in: High Pressure Effects on Cellular Processes, p. 324. Academic Press, New York 1970.
5. S. B. Zimmermann and A. M. Zimmermann, in: Mammalian Cell Membranes Response of Plasma Membranes, vol. 5, p. 47. Butterworth, London 1977.