@book { MusikerfindeninderelementarenMusikerziehung,
    title = "Musikerfinden in der elementaren Musikerziehung",
    author = "Ulrike {Ossenkop}",
    year = "2005",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832485559",
    url = "https://m.diplom.de/document/223755"
}