@book {9783593414928, title = "Blitzschnell frisch und ausgeglichen", author = "Mittag, Martina", isbn = "9783593414928", year = "2008", edition = "1", keywords = "Gesundheit, Ratgeber, Ausgleichsübungen, Stress, Büro, Leistungsfähigkeit, fit, Arbeitsalltag", url = "http://www.content-select.com/index.php?id=bib_view&ean=9783593414928", url = "https://content-select.com/de/portal/media/view/519cc2ed-993c-4a1a-baaf-253f5dbbeaba", publisher = "Campus Frankfurt / New York", language = "ger", }