@inproceedings{d0efafd603b940dea91e4f9f43720c4d,
title = "Discriminating “coltan” from African rare element pegmatites based on mineralogical and geochemical data of tantalum-niobium oxides",
author = "Frank Melcher and Torsten Graupner and Maria Sitnikova and Thomas Oberth{\"u}r and Friedhelm Henjes-Kunst and Eike G{\"a}bler and Axel Gerdes and Helene Br{\"a}tz and Gerd Rantitsch and Stijn Dewaele",
year = "2009",
language = "English",
pages = "1--1",
booktitle = "Tagung der Deutschen Mineralogischen Gesellschaft",
}