@book { DopingimBodybuildingamBeispielvonAnabolika,
    title = "Doping im Bodybuilding am Beispiel von Anabolika",
    author = "Leonhard  {Klingsbögl}",
    year = "2017",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/372326"
}