TY JOUR TI WATER RESISTANCE OF FLUOROHYDRITE COMPOSITIONS KW fluorohydrite KW calcium hydrosulfoaluminate KW gypsum matrix KW microscopy microstructure KW water resistance KW loam KW soil stabilization JO Technique and technology of silicates AU Yakovlev, G.I. AU Pervushin, G.N. AU Buryanov, A.F. AU Bazhenov, K.A. AU Lisin, V.A. PY 2026 IS 33 PB Individual Entrepreneur Svetlana Vasilievna Samchenko