author = { Langlais, Jean Haselböck, Martin },

title = { 7 études de concert pour pédale seule = 7 Konzertetüden für Orgelpedal },

publisher = {Universal Ed.},

year = {c 1984},

booktitle = {Universal Orgel Edition},

address = { Wien },

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