@book{UBHD-1040469, author={Nagel, Albrecht}, publisher={Duncker & Humblot}, address={Berlin}, year={1971}, pages={XXIII, 158 S.}, language={ger}, isbn={3-428-02580-6 and 978-3-428-02580-0}, library={UB [Signatur: 72 B 893] ; JU [Signatur: JU/PN 219 N147] ; WS [Signatur: WS/MD 7000 N147]}, }