00774nam0-22003011i-450-99000651642040332120001010000651642FED01000651642(Aleph)000651642FED0100065164220001010d--------km-y0itay50------baitay-------001yy<<Die >>NegationGerhard Helbig, Helga RickenLeipzigVeb Verlag Enzyklopadie1977.72 p.22 cm438Helbig,Gerhard131868Ricken,HelgaITUNINARICAUNIMARCBK990006516420403321XV TB 117279FSPBCFSPBCNegation620916UNINAGEN01