K. Watanabe, M. Iwanami, H. Yokota, & J. Niwa: "Estimation of the Compression Failure Zone of Concrete by AE Method"Transactions of the Japan Concrete Institute. Vol.23. 125-132 (2002)
K. Watanabe, M. Iwanami, H. Yokota, & J. Niwa: "Estimation of the Compression Failure Zone of Concrete by AE Method"Transactions of the Japan Concrete Institute. Vol.23. 125-132 (2002)