TY JOUR TI Magnesia cement hydration products, modified by the addition of amorphous silica KW magnesia binders KW amorphous silica KW strength KW water resistance KW hydration KW phase composition JO Technique and technology of silicates AU Tyukavkina, V.V. AU Kasikov, A.G. AU Gurevich, B.I. AU Semushin, V.V. PY 2015 IS 22 PB Individual Entrepreneur Svetlana Vasilievna Samchenko