44th Annual congress on medicinal plant research : Prague, September 3-7, 1996 : book of abstracts / editors Tomáš Vaněk, Irena Valterová ; [organisers Academy of sciences of the Czech Republic ... et al.].    Praha : Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, 1996 . 161 s. il. ; vol. příl. (4 s. il.) . ISBN 80-902130-2-2