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The Hamburg Quasar Survey - II. A first list of 121 quasars

D. Engels, H.-J. Hagen, L. Cordis, S. Köhler, L. Wisotzki and D. Reimers

Astron. Astrophys. Suppl. Ser., 128 3 (1998) 507-523

DOI: https://doi.org/10.1051/aas:1998390

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