BUSINESS TELECOMMUNICATIONS (BTC). 2048 KBIT/S DIGITAL UNSTRUCTURED AND STRUCTURED LEASED LINES (D2048U AND D2048S). NETWORK INTERFACE PRESENTATION.
Edition 1999-01-11

BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY QUALITY VOICE BANDWIDTH 2-wire analogue leased line (A20). Connection characteristics and network interface presentation.
Edition 1997-11-20

BUSINESS TELECOMMUNICATIONS (BTC). SPECIAL QUALITY VOICE BANDWIDTH 2-Wire analogue leased line (A2S). Connection characteristics and network interface presentation.
Edition 1997-11-20

BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY QUALITY VOICE BANDWIDTH 4-wire analogue leased line (A40). Connection characteristics and network interface presentation.
Edition 1997-11-20

BUSINESS TELECOMMUNICATIONS (BTC). SPECIAL QUALITY VOICE BANDWITH 4-WIre analogue leased line (A4S). Connection characteristics and network interface presentation.
Edition 1997-11-20

Business TeleCommunications (BTC); 34 Mbit/s and 140 Mbit/s digital leased lines (D34U, D34S, D140U, D140S); Network interface presentation.
Edition 2001-09-14

Business TeleCommunications (BTC). Multiple 64 kbit/s digital unrestricted leased lines with octet integrity presented at a structured 2048 kbit/s interface at either or both ends (D64M). Connection characteristics and network interface presentation
Edition 2001-04-19

Information and documentation. Guidelines for the content, organization and presentation of indexes.
Edition 2014-09-17

Guidelines for older persons and persons with disabilities - Information presentation using electronic guiding and wayfinding system
Edition 2011-03-22

Technical drawings - General principles of presentation - Basic convention for lines
Edition 1999-06-30