TY  - CPAPER
AU  - Peter Futáš
TI  - THE COMPOSITION OF SECONDARY TIN AND ITS HARDNESS
T2  - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Energy and Clean Technologies
PY  - 2019
SP  - 779
EP  - 784
DO  - 10.5593/sgem2019/4.1/s18.099
PB  - STEF92 Technology
ER  -