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                <dcterms:bibliographicCitation>L. Popović, A. Moiseev, E. Mediavilla, P. Jovanović, D. Ilić, J. Kovačević, J. Munoz, RXJ 0921+4529: A Binary Quasar or a Gravitational Lens?, ASTROPHYSICAL JOURNAL LETTERS, Vol. 721, No. 2, pp. 139 - 142, Oct, 2010</dcterms:bibliographicCitation>
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