Institute for Engineering Geology;
Vienna University of Technology;
Karlsplatz 13;
A-1040 Vienna;
Austria;
Dept. of Engineering Geology;
Faculty of Natural Sciences;
Comenius University;
Bratislava 842 14;
Slovakia;
Dept. of Engineering Geology;
Faculty of Natural Sciences;
Comenius University;
Bratislava 842 14;
Slovakia;
Dept. of Engineering Geology;
Faculty of Natural Sciences;
Comenius University;
Bratislava 842 14;
Slovakia;