Methods of measurement for equipment used in terrestrial radio-relay systems - Part 2: Measurements for sub-systems Section Five - Frequency demodulators IEC 487-2-5 /  
 IEC 487-2-5 
ISO, IEC. 
 - First edition. 
 - Geneva :   ISO :   IEC,   1984. 
 - 28 stron ;   30 cm.