Kowalski, Jerzy K., and Marcin Chodnicki. “Direct Optical Path Measurement in Fibre-Optic Gyroscopes: A Potential Method for Compensating Slow-Drifting Errors”. Opto-Electronics Review 33, no. 3 (March 7, 2026): e154748 . Accessed April 17, 2026. https://wydawnictwo.pan.pl/index.php/opelre/article/view/311.