@article{article249c6e27,
title   = {Chemical dichotomies in the magnolialean complex},
author = {Gottlieb, Otto Richard and Kaplan, M. A. C and Kubitzki, K and Toledo Barros, J. R},
year = {1989},
doi = {10.1111/j.1756-1051.1989.tb00520.x},
journal   = {Nordic Journal of Botany}
}