@book{UBHD-1064920, edition={1. Aufl.}, publisher={Heymanns}, address={K{\"o}ln}, year={1977}, pages={XXIX, 364 S.}, language={ger}, isbn={3-452-18237-1 and 978-3-452-18237-1}, library={UB [Signatur: 77 A 2176] ; JU [Signatur: JU/PZ 3700 U45]}, }