NULLIMPEDANZEN VON NIEDERSPANNUNGSVIERLEITER STROMSCHIENENSYSTEMEN. = LES IMPEDANCES A VIDE DES LIGNES BASSE TENSION A QUATRE FILSPFEILER V; WINKLER G; HEIDRICH M et al.1977; ELEKTRIE; DTSCH.; DA. 1977; VOL. 31; NO 1; PP. 31-34; ABS. RUSSE ANGL.; BIBL. 4 REF.Article

A TECHNIQUE FOR DETERMINATION OF FILTER INSERTION LOSS AS A FUNCTION OF ARBITRARY GENERATOR AND LOAD IMPEDANCESVAKIL SM.1978; I.E.E.E. TRANS. ELECTROMAGN. COMPATIB.; USA; DA. 1978; VOL. 20; NO 2; PP. 273-278; BIBL. 4 REF.Article