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APA Citation
Zhao, G., Jin, W., Fang, Y., Gong, T., Guo, J., Dawai, S., Liao, M., & Hu, L. (2016). broadband mid-infrared emission around 2.9 μm in Dy3+ doped bismuth germanate glass. Materials research bulletin, 84, 378–381. http://access.bl.uk/ark:/81055/vdc_100070053623.0x000054