1. Endodontic therapy;Weine,1982
2. Obturation of the root canal system. Pathways of the pulp;Nguyen,1984
3. Filling the root canal in three dimensions;Schilder;Dent Clin North Am,1967
4. Fractionation and Molecular Weight of Rubber and Gutta-Percha
5. Treatment and polymorphism of gutta-percha and balata;Dean;Trans Inst Rub Ind,1932