American national standard guide for the construction of open-area test sites for performing radiated emission measurements : ANSI C63.7 - 1992 / American National Standards Institute
BS 25999 [documento electrónico] : business continuity management / British Standards Institution
BS 6513 : wideband cabled distribution systems / British Standards Institution
Information technology service management : part 1: specification: BS ISO/IEC 20000 - 1: 2005 / British Standards Institution