1. Research Scientist, F.A. Finger Institute for Building Materials Science, Bauhaus-University Weimar, Weimar, Germany (corresponding author: )
2. Research Scientist, F.A. Finger Institute for Building Materials Science, Bauhaus-University Weimar, Weimar, Germany
3. Professor, F.A. Finger Institute for Building Materials Science, Bauhaus-University Weimar, Weimar, Germany