@inproceedings{inproceedingsb19bceda,
title   = {Estudos fitoquimicos de algumas especies de polygonum},
author = {Vichnewski, W and Herz, W. and Dias, D A and Pereira, A M S and Nakashima, C},
year = {1987},
publisher = {Ffclrp-Usp},
booktitle   = {Encontro Regional de Quimica}
}