@book { HandbookofRenewableEnergiesintheEuropeanUnionII,
    title = "Handbook of Renewable Energies in the European Union II",
    author = "Danyel {Reiche}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095977"
}