Ng, D. L. W., & Wong, B. S. (2009). Steel thickness testing by phased array ultrasonic.
Chicago Style CitationNg, Desmond Liang Wei., and Brian Stephen Wong. Steel Thickness Testing By Phased Array Ultrasonic. 2009.
MLA CitationNg, Desmond Liang Wei., and Brian Stephen Wong. Steel Thickness Testing By Phased Array Ultrasonic. 2009.
Warning: These citations may not always be 100% accurate.