1. Phytotherapeutika in der Kneipp-therapie;Ammon;Therapiewoche,1989
2. Potentiation of GABAA receptors expressed in Xenopus oocytes by perfume and phytoncid;Aoshima;Biosci. Biotechnol. Biochem.,1999
3. Perfume and Flavor Materials of Natural Origin;Arctander,1960
4. On certain central neurotropic effects of lavender essential oil;Atanassova-Shopova;Izvest. Inst. Fiziol. Sofiia,1970
5. Perillyl alcohol: application in oncology;Bellanger;Altern. Med. Rev,1998