1JUSTNES H, SELLEVOLD E J,LLUNDEVALL G. High Strength Concrete Binders Part A: Reactivity and Composition of Cement Pastes with and without Condensed Silica Fume, Fly ash, Silica Fume, Slag, and Natural Pozzolans in Concrete[C]//Proceedings fourth International Conference, Istanbul. Turkey:[s. n.]. 1992:16-22.