1. 1) Paul GS, editor. New dental materials. 1st ed. New Jersey: Noyes Data Co; 1980. p. 29-98.
2. 2) Miyamoto R, Itoh K, Nagata K, Nakabayashi N. Preparation of 1,3-Bis(methacryloyloxyethyloxy)benzene and the application to composite resin. J J Dent Mater 1985; 4: 45-48.
3. 3) Kawaguchi M, Fukushima T, Miyazaki K, Horibe T, Habu T, Sawamura N. Synthesis and physical properties of polyfunctional methacrylates (Part 4). Synthesis and physical properties of aromatic dimethacrylate copolymer. Dent Mater J 1984; 3: 272-279.
4. 4) Anzai M, Yoshihashi K, Kikuchi H, Hirose H, Kojima S, Nishiyama M. Synthesis of cyclophosphazene linear monomers and mechanical properties of bulk polymers. J J Dent Mater 1993; 12: 257-264.
5. 5) Tomari M, Matsukawa S. Effect of polybutadiene polymethacrylates on the toughness of cured resin. J J Dent Mater 1993; 12: 326-335.