author = { Roth, August },

title = { Geschichte der Harmonika - Volksmusikinstrumente },

publisher = {Volksmusik-Verl. "Assindia"},

publisher = {: [Roth in Komm.]},

keywords = { Harmonika , Geschichte , Volksmusikinstrument },

year = {1954},

year = {, 1954},

address = { Essen , ; [Essen] },

url = { http://slubdd.de/katalog?TN_libero_mab2 }