1. Laboratory for Cements, Mortars and Ceramics, The Department of Materials, Slovenian National Building and Civil Engineering Institute (ZAG), Dimičeva ulica 12, 1000 Ljubljana, Slovenia
2. Faculty of Technology, Fibre and Particle Engineering, University of Oulu, P.O. Box 8000, 90570 Oulu, Finland
3. Department of Environmental and Resource Engineering, Technical University of Denmark (DTU), Brovej, 2800 Lyngby, Denmark