Fibre optic interconnecting devices and passive components - Basic test - and measurement procedures - Part 3-26: Examinations and measurements - Measurement of the angular misalignment between fibre and ferrules axes IEC 61300-3-26 / IEC 61300-3-26 ISO, IEC. - First edition. - Geneva : ISO : IEC, 1997. - 9 stron ; 30 cm.