7Chang J J.A Study of the Bond Degradation of Rebar Due to Cathodic Protection Current.Cement and Concrete Research,2002,32:657~663.
8Michal,Glinicki A, Marek Zielinski.Depth-sensing Indentation Method for Evaluation of Efficiency of Secondary Cementitious Materials.Cement and Concrete Research,2004,34:721~724.