1. J. L. Stoddart M. A. Venis , in ‘Encyclopedia of Plant Physiology,’ vol. 9, ‘Hormonal Regulation of Development I,’ ed. J. MacMillan, Springer-Verlag, Berlin, 1980, p. 478.
2. J. E. Graebe and H. J.Ropers, in ‘Phytohormones and Related Compounds: A Comprehensive Treatise,’ vol. 1, ‘The Biochemistry of Phytohormones and Related Compounds,’ eds. D. S. Letham, P. B. Goodwin, and T. J.V. Higgins, Elsevier/North-HollandBiomedical Press, Amsterdam, 1978, p. 138.
3. Chemical conversion of C20 gibberellins into C19 gibberellins
4. Stereospecific total synthesis of gibberellic acid