Kleiza, V., and J. Verkelis. “Regularities of Signal and Sensitivity Variation of a Reflection Fiber Optopair Sensor Dependent on the Angle Between Axes of Fiber Tips”. Nonlinear Analysis: Modelling and Control 14, no. 1 (January 20, 2009): 41–49. Accessed May 4, 2025. https://www.zurnalai.vu.lt/nonlinear-analysis/article/view/14529.