DIN 57535-1 ; DIN VDE 0535-1:1979-12 ; VDE 0535-1:1979-12 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| IEC 60050-902 | 1973 | International Electrotechnical Vocabulary. Part 902 : Radio interference More |
| IEC 60349 | 1971 | Rules for rotating electrical machines for rail and road vehicles More |
| IEC 60411-1 | 1975 | Power convertors for electric traction. Part 1 : Single-phase power convertors using thyristors More |