@book { Das5MinutenFaszientraining,
    title = "Das 5-Minuten-Faszientraining",
    subtitle = "In 4 Wochen Flexibilität, Gesundheit und Lebensqualität nachhaltig steigern. Give me five! Inkl. kostenlosem Online-Video-Coaching",
    author = "Manuel {Eckardt}",
    year = "2016",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403089"
}