@article{article9616624e,
title   = {Evolution of sesquiterpene lactones in asteraceae},
author = {Emerenciano, Vicente de Paulo and Kaplan, M A C and Gottlieb, O R and Bonfanti, M R M and Ferreira, Z M G S and Comegno, L M A},
year = {1986},
doi = {10.1016/0305-1978(86)90038-4},
journal   = {Biochemical Systematics and Ecology}
}