@inproceedings{inproceedings6b820198,
title   = {Depolarisation currents and paramagnetic resonance of iron in amethyst},
author = {Blak, Ana Regina and Rocha, Mario Sandro and Pontuschka, Walter Maigon},
year = {2003},
publisher = {SBF},
booktitle   = {Encontro Nacional de Física da Matéria Condensada 26}
}