1. Approximate analyticexpression for the magnetic leakage field in the neighbourhood of surface-breaking defects;Sekine;Hihakaikensa (J Jpn Soc NDT),1989
2. Nondestructive inspection by the method of magnetic leakage fields;Föster;Defektoskopiya,1982
3. The magnetic leakage field of surface-breaking cracks;Edwards;J Phys D,1986
4. Calculating the effect of the boundaries of a product on the field of a cylindrical defect;Shcherbinin;Defektoskopiya,1976
5. Magnetic leakage and force fields for artificial defects in magnetic particle test rings;Swartzendruher,1979