{"source":"book","style":"apa","contributors": [{"function":"author","last":"Grutzmacher","first":"Friedrich"},{"function":"author","last":"Rummel","first":"Martin"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Technologie des Violoncellospiels : vierundzwanzig Etuden fur Violoncello solo, op. 38 = Technology of violoncello playing : twenty-four etudes for violoncello solo","publisher":"Barenreiter","city":"Kassel; New York","year":"2006"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"1058173500"}