Hellow guys, Welcome to my website, and you are watching Osiemdziesięciolecie urodzin Profesora Jerzego Kołodziejczaka. and this vIdeo is uploaded by Instytut Fizyki Polskiej Akademii Nauk at 2015-10-14T05:55:09-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.