Konstantinov, Yu.A., E.Yu. Filippova, and R.I. Petrova. 2018. “The Results of the 2-Nd All-Russia Conference «Optical Reflectometry 2018»”. Perm Federal Research Centre Journal, no. 2 (November): 17-23. https://doi.org/10.7242/1998-2097/2018.2.3.