1. in Cell Substrates, and Eds. (Plenum, New York, 1979), p. 135.
2. in Frontiers of Plant Tissue Culture, Ed. (International Association of Plant Tissue Culture, Calgary, Alberta, Canada, 1978), p. 1.
3. in Frontiers of Plant Tissue Culture, Ed. (International Association of Plant Tissue Culture, Calgary, Alberta, Canada, 1978), p. 335.
4. and in Metabolism and Regulation of Secondary Plant Products-Recent Advances in Phytochemistry, Vol. 8, and Eds. (Academic, New York, 1974), p. 1.