All authors
TEXT Dr.-Ing. Wolfgang Eden1 (Lead researcher), Dr.-Ing. Claudia Eichhorn2
(Senior researcher), Prof. Dr. rer. nat. Albrecht Wolter2 (Director)
1 Forschungsvereinigung Kalk-Sand e.V., Hanover/Germany
2 Clausthal University of Technology, Clausthal-Zellerfeld/Germany
