{"id":"001497169","type":"book","title":"Nov tip elektronova (sreb'rna) skifata na Nikejskija imperator Joan III Duka Vataci (1221-1254)","publisher-place":"Sofija","pages":"85-87","container-title":"Numizmatika, sfragistika i epigrafika, 8 (2012","author":[{"family":"Penchev","given":"Vladimir"}],"issued":{"raw":"2012"}}