EN 188101 : April 1995: family specification: single-mode dispersion unshifted (B1.1) optical fibre / European Commitee for Electrothecnical Standardization
EN 188201 : September 1995: family specification: A 1a graded index multimode optical fibres / European Commitee for Electrothecnical Standardization
EN 50061 : May 1998: safety of implantable cardiac pacemakers / European Commitee for Electrothecnical Standardization
EN 50061/A1 : August 1995: safety of implantable cardiac pacemakers / European Commitee for Electrothecnical Standardization