@book { ActivitsphysiquesversusactivitsdeloisirsLetourismesportifdanslesVosges,
    title = "Activités physiques versus activités de loisirs - Le tourisme sportif dans les Vosges",
    author = "Anne {Tucholka}",
    year = "2008",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638068550",
    url = "https://www.hausarbeiten.de/document/93045"
}