@inproceedings{inproceedings113e0812,
title   = {Lignins extracts by organic solvents: an extension of brauns' lignin},
author = {Rossini, E L and Oliveira, M R G and Curvelo, Antonio Aprigio da Silva and De Groote, Robert Ange Marie Camille},
year = {1989},
publisher = {IFQSC-USP},
booktitle   = {Brazilian Symposium on the Chemistry of Lignins and Other Wood Components}
}