1.
Kamenev ОT, Petrov YS, Podlesnykh AA. Use of 3×3 Coupler in the Fiber Optic Strainmeter Based on Mach-Zehnder Interferometer. KEn [Internet]. 2018 Apr. 25 [cited 2025 Jul. 13];3(3):388–392. Available from: https://knepublishing.com/index.php/KnE-Energy/article/view/2052