title: Editorial Introduction to the 19(th) World Conference on Non-Destructive Testing (WCNDT-2016).
authors.affiliation: Department of Mechanical Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, PR China. Electronic address: zhongqing.su@polyu.edu.hk.
authors.forename: Zhongqing
authors.initials: Z
authors.lastname: Su