{"source":"book","style":"apa","contributors": [{"function":"author","last":"Haydn","first":"Joseph"},{"function":"author","last":"Schwalm","first":"Robert"},{"function":"author","last":"Becker","first":"Hugo"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Konzert in D-dur fur Violoncello und Orchester","publisher":"Steingraber-Verlag","city":"Leipzig","year":"18uu"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"35180994"}