Necesidad de una política coherente para minerales en Europa. Discusiones y acercamientos actuales

by Günter Tiess
Published 2008-03-01

Combined mineral and geoheritage resources related to kaolin, phosphate, and cement production in Egypt: Conceptualization, assessment, and policy implications

by Dmitry A. Ruban, Günter Tiess, Emad S. Sallam, Alena A. Ponedelnik, Natalia N. Yashalova
Published 2018-11-01