7ASME Code Case 2235-9. Use of ultrasonic examination in lieu of radiography: section Ⅰ and section Ⅷ,Division 1 and 2[S].
8E A Ginzel, G Legault, Y M Kim. Mechanised ultrasonic inspection of offshore platform structures[J/OL]. The e-journal of nondestructive testing, www.ndt.net.1998,3(1).
9A Erhard, G Schenk. Ultrasonic phased array technique for austenitic weld inspection[C]. 15th WCNDT. Rome: 2000.
10A Erhard, G Schenk, Th Hauser. New applications using phased array techniques[J]. Nuclear Engineering and Design, 206(6),2001, 325-336.