1. NDT of mine haulage ropes;Coultate,1982
2. The inspection of wire ropes in service: a critical review;Weischedel;Mater Eval,1985
3. Apparatus for non-destructive testing of elongate objects;Marchent,1978
4. Magnetic testing device for detecting loss of metallic area and internal and external defects in elongated objects;Kitzinger,1978
5. Magnetic testing of steel ropes;Kalwa,1987