1. K. Doerffling, Plant Hormones [Russian translation], Mir, Moscow (1985), p. 303.
2. C. J. R. Thomas, A. R. Smith, and M. A. Hall, Planta,160, 47 (1988).
3. R. M. Napier and M. A. Venis, J. Plant Growth Regul.,9, 113 (1990).
4. D. E. Evans, J. H. Dodds, P. S. Lloyd, I. ApGwynn, and M. A. Hall, Plant,154, 48 (1982).
5. E. C. Sisler and C. Wood, J. Plant Growth Regul.,7, 181 (1989).