1. F. B. Abeles, “Ethylene in Plant Biology,” Academic Press, New York, 1973, pp. 103–152.
2. B. G. Kang, in “Encyclopedia of Plant Physiology, New Ser.” Vol. 7, ed. by W. Haupt and M. E. Feinleib, Springer-Verlag, Berlin, 1979, pp. 647–667.
3. J. H. Palmer, in “Encyclopedia of Plant Physiology, New Ser.” Vol. 11, ed. by R. P. Pharis and D. M. Reid, Springer-Verlag, Berlin, 1985, pp. 139–168.