1. Harada, A. and Kamachi, M., Macromolecules, 1990, 23: 2821
2. Harada, A., Hashidzume, A., Yamaguchi, H. and Takashima, Y., Chem. Rev., 2009, 109: 5974
3. Guo, M. and Jiang, M., Prog. Chem., 2007, 19: 557
4. Zhao, S. and Xu, W., Prog. Chem., 2010, 22: 916
5. Dong, H., Li, Y., Li, L. and Shi, D., Prog. Chem., 2011, 23: 914