TY - BOOK AU - International Electrotechnical commission TI - IEC: 189-4 - 1980 (Amendment N0.1 - 1989); Low-frerquency cables and wires with P.V.C. insluation and P.V.C. sheath Part 4 Distribution wires with solid conductors, P.V.C. insulated, in pairs, triples, quads and quintples PY - 1989/// CY - Geneva PB - IEC ER -