{"source":"book","style":"apa","contributors": [{"function":"author","last":"Bartok","first":"Bela"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"1. [i.e. Erstes] Konzert = Concerto 1 : fur Klavier und Orchester","publisher":"Universal Edition ; Boosey & Hawkes","city":"Wien; New York","year":"1954"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"6692392"}