TY JOUR TI Hydration of Portland cement minerals in lime and sulfur mixing KW Portland cement KW alite KW belite KW alumina ferrite KW lime and sulfur mixing KW mechanical strength JO Technique and technology of silicates AU Elesin, M.A. AU Berdov, G.I. PY 2015 IS 22 PB Individual Entrepreneur Svetlana Vasilievna Samchenko