Karabalin, U., Serikov, F., Lyzlov, O., BachilovaТ., Yakupova, E. and Yeleukulova, A. 2011. Influence of processing of the limestone-coquina with solutions of polysulfide calcium on its durability. Chemical Bulletin of Kazakh National University. 61, 1 (Mar. 2011), 66-70.