@book {9783497600335, title = "Phänomen Stimme", author = "Gundermann, Horst", isbn = "9783497600335", keywords = "Stimme, STIMMHEILKUNDE, Stimmbildung, STIMMSTÖRUNG", url = "http://www.content-select.com/index.php?id=bib_view&ean=9783497600335", url = "https://content-select.com/de/portal/media/view/51da9327-6224-4306-848d-12692efc1343", publisher = "Ernst Reinhardt Verlag", language = "ger", }