1. (a) to Dragoco AG, DE 4,432,401, 7.03.96
2. (c) ?Proceedings of the 13th Int. Congress of Flavours, Fragrances, and Essential Oils?, 15-19 October, 1995, Istanbul, Turkey Ed. AREP Publ. Istanbul, 1995, Vol. 3, p. 186;
3. (d) Essential Oils Congress, 5-7 September, 1994, Grasse, France.