¬ródło: | W: Proceedings of the 13th International Congress on Energy and Mineral Resources. CIERM 2013. Approaching an economically and socially sustainable future, Santander, Spain, October 3-5, 2013 [online]. Eds. Ana Suarez Sanchez, Alicja Krzemień, Pedro Riesgo Fernandez, Francisco Javier Iglesias Rodriguez. National Association of Spanish Mining Engineers. Oviedo : Fundacion de Investigacion Tecnologica Luis Fernandez Velasco, 2013, (plik pdf) s. 202-207, bibliogr. 4 poz. |