1. Modern Practice in Removable Partial Prosthodontics;Dykema,1969
2. Objectives of a fixed partial denture;Smith;J Prosthet Dent,1961
3. Theory and Practice of Crown and Bridge Prosthesis;Tylman,1947
4. Selecting the correct restoration;Trapozzano;Dent Clin North Am,1960
5. Re-evaluation of the cantilever principle;Ewing;J Prosthet Dent,1957