[1] [1] Tanil A, Sevim A, Balci K, et al. Journal of Cultural Heritage, 2017, 25: 180.

[2] [2] Andrea G, Adami G, Paolo C, et al. Journal of Cultural Heritage, 2016, 21: 775.

[3] [3] Delmotte L, Ganne-chedeville C, Leban J M, et al. Polymer Degradation and Stability, 2008, 93(2): 406.

[4] [4] Latifa H, Abdellatif B, Jamal A, et al. Microchemical Journal, 2015, 136: 1038.

[6] [6] Kassaye S, Pant K K, Jain S. Fuel Processing Technology, 2016, 148: 289.

[7] [7] Tang Ying, Smith G J. Journal of Cultural Heritage, 2013, 14(6): 464.

[8] [8] Song Bo, Sun Qian, Li Haikuo, et al. Angewandte Chemie, 2014, 53(25): 6358.

[9] [9] Tianqi-o Zhang, Alperstein A M, Zanni M T. Journal of Molecular Biology, 2017, 429(11): 1705.

[10] [10] Delfino I, Portaccio M, Ventura B D, et al. Materials Science and Engineering: C, 2013, 33(1): 304.

[11] [11] Byler D H. Biopolymers, 1986, 25(3): 469.

[12] [12] Cies′lik-boczula K. Biochimie, 2017, 137: 106.