1. Los, M., Kust, C. A., Lamb, G., and Diehl, R. E., Hort. Sci.15, (1980) 22.
2. De Pasquale, R., Forestieri, A. M., Giordano, A., and Tumino, G., Q. Jl crude Drug Res.19 (1981) 11.
3. Sciuchetti, L. O., and Mingis, N. C., Lloydia28 (1965) 230.
4. European Pharmacopoeia, part II, p. 246. Maisonneuve SA. Sainte-Ruffine 1983.
5. Conklin, M. E., in: Genetic and Biochemical Aspects of the Development ofDatura. Monographs in Developmental Biology, vol. 12, p. 71. Karger, Basel 1976.