@book { CooperativeBreedingHowenvironmentandlifehistorycorrelatetocooperativebreedinginbirds,
    title = "Cooperative Breeding. How environment and life history correlate to cooperative breeding in birds",
    author = "Luisa {van Gansewinkel}",
    year = "2020",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/931523"
}