@book{UBHD-1498603, edition={2. ed.}, publisher={Cambridge University Press}, address={Cambridge}, year={1969}, pages={Getr. Z{\"a}hlung}, language={eng}, isbn={0-521-06961-0 and 978-0-521-06961-8}, library={UB [Signatur: G 1939-45::1/3 (2)]}, }