Optical method of defectoscopy of ZnGeP2 monocrystal with application output radiation of Sr vapor laser / A. I. Gribenyukov, S. N. Podshivalov, A. S. Shumeyko [et.al.] // Pulsed lasers and laser applications AMPL-2017 : the 13 International conference, September 10-15, 2017, Tomsk, Russia : abstracts. Tomsk, 2017. P. 22. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000627902