1. McCracken's removable partial prosthodontics;McGivney,2000
2. A measurement of clasp forces on teeth;Clayton;J Prosthet Dent,1971
3. The combination clasp and the distal extension removable partial denture;Kotowicz;Dent Clin North Am,1973
4. A study of the flexibility of wrought wire clasps;Frank;J Prosthet Dent,1981
5. A comparison of the flexibility of wrought wire and cast circumferential clasps;Frank;J Prosthet Dent,1983