1. Root Canal Obturation;Ingle;J. Am. Dent. Assoc,1956
2. Factors Affecting Successful Repair After Root Canal Therapy;Seltzer;J. Am. Dent. Assoc,1963
3. Filling Root Canals in Three Dimensions;Schilder;Dent. Clin. North Am,1967
4. Obturation of the Root Canal;Siskin;Dent. Clin. North Am,1957
5. Endodontic Practice;Grossman,1966