@book{UBHD-1058928, author={Toynbee, Arnold}, title={Constantine Porphyrogenitus and his world}, publisher={Oxford Univ. Press}, address={London [u.a.]}, year={1973}, pages={XVIII, 768 S.}, language={grc and eng}, isbn={0-19-215253-X and 978-0-19-215253-4}, library={UB [Signatur: 74 B 3268] ; GE [Signatur: Ea 271] ; KU [Signatur: A II 2007/15] ; WT [Signatur: KG Gm 49]}, }