1. R. Stahlberg, in Plant Electrophysiology. Theory and Methods, Ed. by V. Volkov (Springer, Berlin, 2006), pp. 3–14.
2. D. Ch. Bos, Selected Studies on Excitability of Plants (Nauka, Moscow, 1964) [in Russian].
3. A. M. Sinyukhin and E. A. Britikov, Nature 215, 1278 (1967).
4. V. A. Opritov, S. S. Pyatygin, and V. G. Retivin, Bioelectrogenesis in Higher Plants (Nauka, Moscow) [in Russian].
5. A. L. Houwink, Recueil Trav. Bot. Neerl. 32, 51 (1935).