Fibre optic interconnecting devices and passive components - Basic test - and measurement procedures - Part 3-6 Examinations and measurements - Return loss IEC 61300-3-6 /  
 IEC 61300-3-6 
ISO, IEC. 
 - First edition. 
 - Geneva :   ISO :   IEC,   1997. 
 - 25 stron ;   30 cm.