@book{UBHD-1000251, title={Beitr{\"a}ge zur Praxis}, publisher={Kohlhammer}, address={Stuttgart ; Berlin ; K{\"o}ln ; Mainz}, year={1974}, pages={195 S.}, language={ger}, isbn={3-17-001505-2 and 978-3-17-001505-0}, library={DE [Signatur: <DE> L 88,11::2] ; EN [Signatur: F ES 1082-2-] ; RO [Signatur: A 8.235-010] ; WS [Signatur: WS/MS 8010 B254-2] ; WT [Signatur: A Al 154::2]}, }