Sesquiterpene lactone-based classification of three Asteraceae tribes: a study based on self-organizing neural networks applied to chemosystematics.
Da Costa FB, Terfloth L, Gasteiger J. “Sesquiterpene lactone-based classification of three Asteraceae tribes: a study based on self-organizing neural networks applied to chemosystematics.” Phytochemistry. 2005;66(3):345-353.