(+)-Germacrene A Biosynthesis: The Committed Step in the Biosynthesis of Bitter Sesquiterpene Lactones in Chicory. Plant Physiol., August 1998, s.1381–92. DOI:10.1104/pp.117.4.1381. PMID 9701594.
Sesquiterpene Lactones and Systematics of the Genus Artemisia. Phytochemistry, 1979, s.1591–1611. DOI:10.1016/0031-9422(79)80167-3.
Biosynthesis of Germacrene A Carboxylic Acid in Chicory Roots. Demonstration of a Cytochrome P450 (+)-Germacrene A Hydroxylase and NADP+-Dependent Sesquiterpenoid Dehydrogenase(s) Involved in Sesquiterpene Lactone Biosynthesis. Plant Physiol., April 2001, s.1930–40. DOI:10.1104/pp.125.4.1930. PMID 11299372.
(+)-Germacrene A Biosynthesis: The Committed Step in the Biosynthesis of Bitter Sesquiterpene Lactones in Chicory. Plant Physiol., August 1998, s.1381–92. DOI:10.1104/pp.117.4.1381. PMID 9701594.
Biosynthesis of Germacrene A Carboxylic Acid in Chicory Roots. Demonstration of a Cytochrome P450 (+)-Germacrene A Hydroxylase and NADP+-Dependent Sesquiterpenoid Dehydrogenase(s) Involved in Sesquiterpene Lactone Biosynthesis. Plant Physiol., April 2001, s.1930–40. DOI:10.1104/pp.125.4.1930. PMID 11299372.