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APA Citation
Yang, Z. W., Yan, D., Song, Z. G., Yu, X., Zhou, D. C., Yang, Y., Yin, Z. Y., Yan, L., & Qiu, J. B. (2013). synthesis and upconversion emission properties of Pb0·9La0·1TiO3:Yb, Tb inverse opals by sol–gel technique. Materials technology, 28, 187–191. http://access.bl.uk/ark:/81055/vdc_100052793703.0x000028