1. Can cracks be found by radiography?;Halmshaw;Brit J NDT,1975
2. Radiographic techniques;Halmshaw;Brit J NDT,1991
3. ASME radiographic requirements related to the detection of linear discontinuities on film;Ciorau;Brit J NDT,1992
4. Radiographic sensitivity;Pallitt;Brit J NDT,1962
5. Flaw sensitivity in relation to standards for film radiography;Halmshaw;Mater Eval,1992