@book{UBHD-3612949, author={Yeats, William Butler}, title={The Celtic twilight}, subtitle={myth, fantasy and folklore}, publisher={Prism [u.a.]}, address={Dorset}, year={1990}, pages={121 S.}, language={eng}, isbn={1-85327-029-6 and 978-1-85327-029-1}, library={UB [Signatur: 92 A 6085]}, }