1M. Imam,L. Vandewalle,F. Mortelmans,Ergin Ario?lu,?zgür Sümer K?ylüo?lu. Discussion of ‘Are current concrete strength tests suitable for high strength concrete?’[J] 1996,Materials and Structures(9):578~580
2M. Imam,L. Vandewalle,F. Mortelmans. Are current concerete strength tests suitable for high strength concrete?[J] 1995,Materials and Structures(7):384~391