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APA Citation
Shen, T., Hu, C., Dai, H. L., Yang, W. L., Liu, H. C., & Wei, X. L. (2015). first principles study of structural, electronic and optical properties of BiFeO3 in ferroelectric and paraelectric phases. Materials research innovations, 19, S5-684–S5-688. http://access.bl.uk/ark:/81055/vdc_100025973574.0x00000f