Kleiza, V., and J. Verkelis. 2009. “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 (1): 41-49. https://doi.org/10.15388/NA.2009.14.1.14529.