@misc{guenther_hematite_and_2002, 
author={Guenther, A.,Siemes, H.,Brokmeier, H.-G.,Quade, H.},
title={Hematite and quartz pole figures of Precambrian iron ores from Conceicao Mine, Minas Gerais, Brazil},
year={2002},
howpublished = {conference poster: Bonn (D); 16.-17.05.2002},
note = {Online available at: \url{} (DOI). Guenther, A.; Siemes, H.; Brokmeier, H.; Quade, H.: Hematite and quartz pole figures of Precambrian iron ores from Conceicao Mine, Minas Gerais, Brazil. In: ESS European Conference. Bonn (D). 2002.}}