%0 Journal Article %T Characterization of Microcracking in Thermally Damaged Concrete Using Nonlinear Ultrasonic Modulation Technique %A Hyo-Gyung Kwak %A Sun-Jong Park %A Hong Jae Yim %J Lecture Notes in Engineering and Computer Science %D 2012 %I Newswood and International Association of Engineers %U http://www.iaeng.org/publication/WCE2012/WCE2012_pp1226-1230.pdf