@book { HomeopathyinAcuteConditions,
    title = "Homeopathy in Acute Conditions",
    subtitle = "A Guide for Everybody",
    author = "Heidi {Grollmann} and Urs {Maurer} and Peter {Vint}",
    year = "2021",
    publisher = "Gromaverlag",
    address = "Baar, Deutschland",
    url = "https://ebooks.gromaverlag.ch/document/1139576"
}