1. Faculty of Civil Engineering, Mechanics and Petrochemistry, Warsaw University of Technology, Łukasiewicza 17, 09-400 Płock, Poland
2. Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, Berlin, 12489, Germany
3. Analytik Jena GmbH, Konrad-Zuse-Str. 1, Jena, 07745, Germany