ITU-R - International Telecommunication Union/ITU Radiocommunication Sector,关于IN+108的标准
RAPPORT M.929-2 FRENCH-1990 Compatibility between the broadcasting service in the band of about 87-108 MHz and the aeronautical services in the band 108-136 MHz
ITU-R SM.1009-1 FRENCH-1995 COMPATIBILITY BETWEEN THE SOUND-BROADCASTING SERVICE IN THE BAND OF ABOUT 87-108 MHz AND THE AERONAUTICAL SERVICES IN THE BAND 108-137 MHz
VDE 0687-297-3-108-2015 Mechanical structures for electronic equipment - Dimensions of mechanical structures of the 482@6 mm (19 in) series - Part 3-108: Dimensions of R-type subracks and plug-in units (IEC 60297-3-108:2014); German version EN 60297-3-108:2015