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Enhancement of Green Terbium-Related Photoluminescence from Highly Doped Microporous Alumina Xerogels in Mesoporous Anodic Alumina , Gaponenko, N. V., Molchan, I. S., Sergeev, O. V., Thompson, G. E., Pakes, A., Skeldon, P., Kudrawiec, R., Bryja, L., Misiewicz, J., Pivin, J. C., Hamilton, B., Stepanova, E. A.
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Гапоненко et al. (2002) studied this question.
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