[1] Zhang Shuyu, Wu Xing, Song Youting, Ni Daiqin, Hu Boqing, Zhou Tang. Growth of birefringent Ca3(BO3)2 crystals by the Czochralski method [J]. Journal of Crystal Growth, 2003, 252: 246-250. [2] Schuckmann W. Zur Kristallstruktur des Calcium-Borates Ca3(BO3)2 [J]. Neues Jahr. Mineral. Monatsh., 1969, 3: 142-143. 
[3] Vegas A, Cano F H, Garcia-Blanco S. The Crystal Structure of Calcium Orthoborate: a Redetermination [J]. Acta Cryst., 1975, B31: 1416-1419. 
[4] Majling J, Figusch V, Hanic F, Wiglasz V, Corba J. Crystal data and thermal expansion of tricalciumborte [J]. Mat. Res. Bull., 1974, 9: 1379-1382. 
[5] Lu Xiuai, You Zhenyu, Li Jianfu, Zhu Zhaojie, Jia Guohua, Wang Yan, Wu Baichang, Tu Chaoyang. Growth and properties of pure and rare earth-doped Ca3(BO3)2 single crystal [J]. Journal of Crystal Growth, 2005, 281: 416-425. 
[6] Lu Xiuai, You Zhenyu, Li Jianfu, Zhu Zhaojie, Jia Guohua, Wu Baichang, Tu Chaoyang. Optical transition properties of the Nd3+ ions in Ca3(BO3)2 crystal [J]. Phys. Stat. sol. (a), 2006, 203: 551-557. 
[7] Zhang Guangyin, Lan Guoxiang. Lattice vibrational spectroscopy (晶格振动光谱学). Beijing: High Education Press, 1991. 57-74 (in Chinese). 
[8] Fang Rongchuan. Solid-state Spectroscopy (固体光谱学). Hefei: Press of University of Science and Technology of China, 2003. 329-350 (in Chinese). 
[9] Bethell D E and Sheppard N. The infrared spectrum and structure of boric acid [J]. Transactions of the Faraday Society. 1955, 51:9-15. 
[10] Steele W C，Decius J C. Infrared absorption of lanthanum, scandium and indium borate and the force constants of borate ion [J]. Journal of Chemical Physics. 1956, 25: 1184-1188.