@book { MitallenSinnenDuftmarketing,
    title = "Mit allen Sinnen: Duftmarketing",
    author = "Martin {Schiansky}",
    year = "2011",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783842819917",
    url = "https://m.diplom.de/document/228596"
}