Modified gypsum binder M-B. Kodzoev, S. Isachenko, S. Kosarev, A. Basova, A. Skvortzov, M. Asamatdinov and A. Zhukov MATEC Web Conf., 170 (2018) 03022 Published online: 13 June 2018 DOI: 10.1051/matecconf/201817003022