RMZ - materials and geoenvironment : periodical for mining, metallurgy and geology Volume 65 Issue 3 Issue 2 Issue 1 Volume 64 Issue 4 Issue 3 Issue 2 Issue 1 Volume 63 Issue 4 Issue 3 Issue 2 Issue 1 Volume 62 Issue 3 Issue 2 Issue 1 Volume 58 Issue 4 Issue 3 Issue 2 Issue 1 Volume 57 Issue 4 Issue 3 Issue 1 Volume 56 Issue 4 Issue 3 Issue 2 Issue 1 Volume 55 Issue 4 Issue 3 Issue 2 Issue 1 Volume 54 Issue 4 Issue 3 Issue 2 Issue 1 Volume 53 Issue 4 Issue 3 Issue 2 Issue 1 Volume 52 Issue 3 Issue 2 Issue 1 Volume 51 Issue 2 Issue 1 Volume 50 Issue 4 Issue 1 Volume 46 Issue 4 Issue 3 Issue 2 Issue 1 Volume 45 Issue 4 Issue 3