@article{article9f875b68,
title   = {Chemosystematic analysis of tribes of asteraceae involving sesquiterpene lactones and flavonoids},
author = {Emerenciano, Vicente de Paulo and Ferreira, Zenaide Maria Gabriela Scattone and Kaplan, M A C and Gottlieb, Otto Richard},
year = {1987},
doi = {10.1016/s0031-9422(00)82452-8},
journal   = {Phytochemistry}
}