Hellow guys, Welcome to my website, and you are watching Урок 381. Принцип Гюйгенса. Вывод законов отражения и преломления волн. and this vIdeo is uploaded by Павел ВИКТОР at 2016-12-13T00:39:31-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.