HD 472 S1 : November 1990
HD 624 .8 S1/A1 : materials used in communication cables: part 8: filling compounds for filled cables: / European Commitee for Electrothecnical Standardization
ISO/IEC 8802-3 : information technology
ISO/IEC 9314-3 : Information processing systems - fibre distributed data interface (FDDI): Part 3: physical layer medium dependent (PMD): / Commission Electrotechnique Internationale