@book { SchwankungenderStromproduktionauserneuerbarenEnergiequellen,
    title = "Schwankungen der Stromproduktion aus erneuerbaren Energiequellen",
    author = "Alexander {Kauer}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1107888"
}