Catalog of X-ray sources in NGC 4278 (Brassington+, 2009)
Nicola J Brassington,Giuseppina Fabbiano,Do Wan Kim, A L Zezas,Stephen E Zepf,Arunav Kundu,Leonardo Angelini,Roger L Davies,John S Gallagher, V Kalogera,Tassos Fragos,A R King,Sandra Pellegrini,Giorgio Trinchieri mag(2009)
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