Biblio
] , “Conditions for improving the biosynthesis of atropine and scopolamine in plants”, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 4, pp. 243-247, 1995.
, “Variation of chemical compounds in the essential oil from some native forms of chamomile (Chamomila recutita L.)”, Beitrage zur Zuchtungsforschung , vol. 2, pp. 214-217, 1996.