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Belikov, A.; Boxhoorn, D.; Dijkstra, F.; Holties, H.A.; Vriend, W.-J (2011). "Target for LOFAR Long Term Archive: Architecture and Implementation". Proc. Of ADASS XXI, ASP Conf. Series. 461: 693. arXiv:1111.6443. Bibcode:2012ASPC..461..693B.