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APA Citation
Kumar, A., Tiwari, S. P., Esteves da Silva, J. C. G., & Kumar, K. (n.d.). security writing application of thermal decomposition assisted NaYF4:Er3+/Yb3+ upconversion phosphor. Laser physics letters, 15, . http://access.bl.uk/ark:/81055/vdc_100087645126.0x000028