1.		EN 60835-1-3 : methods of measurements for equipment used in digital microwave radio transmission systems: part 1: measurements common to terrestrial radio-relay systems and satellite earth stations: section 3: transmission characteristics: (IEC 835-1-3:1992) / European Commitee for Electrothecnical Standardization Data Publicação: 1995 Tema: Normas
2.		EN 61305-3 : household high-fidelity audio equipment and systems: methods of measuring and specifying the performance: part 3: amplifiers: (IEC 1305-3: 1995 / European Commitee for Electrothecnical Standardization Data Publicação: 1995 Tema: Normas
3.		EN 61305-1 : household high-fidelity audio equipment and systems: methods of measuring and specifying the performance: part 3: general: (IEC 1305-1: 1995) / European Commitee for Electrothecnical Standardization Data Publicação: 1995 Tema: Normas
4.		HD 609 S1 : Novembre 1992: specification intermédiaire pour câbles d' équipement destinés à la communication numérique et analogue / Comité Européen de Normalisation Electrotechnique Data Publicação: 1995 Tema: Normas