000 00271nam a2200121Ia 4500
008 211209s1976 xx 000 0 und d
041 _aeng
082 _a621.31 N76 BEL
100 _aBELEVITCH V
245 _aCLASSICAL NETWORKS THEORY
260 _c1976
300 _a434
999 _c12000
_d12000