1. Programa de Pós-graduação em Engenharia Metalúrgica, Materiais e de Minas Universidade Federal de Minas Gerais, Belo Horizonte, Brasil
2. Department of Geoscience and Petroleum, Norwegian University of Science and Technology, Trondheim, Norway
3. Faculty of Chemistry, Wroclaw University of Science and Technology, Wroclaw, Poland