16. Kim O, Han S, Kim CK, Polym.(Korea), 29(1), 102 (2005)
17. Kim O, J. Ind. Eng. Chem., 11(2), 287 (2005)
18. , J. Am. Dent. Assoc.Counsil on Dental Materials and Devices, New American Dental Association Specification No. 27 for Direct Filling Resins, 94, 1191 (1977)
19. Dentistry-Resin based filling materials, ISO Specification No. 4049 (1978)
20. Kim O, Han S, Gong MS, J. Korean Ind. Eng. Chem., 15(7), 808 (2004)
21. Kim O, Lee T, Gong MS, J. Korean Ind. Eng. Chem., 13(3), 268 (2002)