Varyshchuk, V. I.     Polymer optical fiber vibration measuring based on speckle phenomena [Текст] / V.I. Varyshchuk, V.Ya. Tataryn, Ya.V. Bobitski // Electronics and applied physics : proc. of the X Intern. conf., Oct. 22-25, 2014, Kyiv, Ukraine / Taras Shevchenko Nat. Univ. of Kyiv, Radiophysics Fac. — Kyiv, 2014. — P. 11-12.