Fibre optic interconnecting devices and passive components - Basic test - and measurement procedures - Part 3-12: Examinations and measurements - Polarization dependence of attenuation of a single-mode fibre optic component:Matrix calculation method IEC 61300-3-12 /  
 IEC 61300-3-12 
ISO, IEC. 
 - First edition. 
 - Geneva :   ISO :   IEC,   1997. 
 - 15 stron ;   30 cm.