@book{UBHD-1084309, author={Wermel, Michael T. and Urban, Roswitha}, publisher={Pflaum}, address={M{\"u}nchen}, year={1949}, pages={104 S.}, language={ger}, number={ARRAY(0x562bea905c18)}, series={Neue soziale Praxis}, library={UB [Signatur: I 3439-61-140::6,1-3] ; JU [Signatur: JU/PQ 3770 W489]}, }