Russia · Perm National Research Polytechnic University
SHA1: 202624c86646693230aba6df2f8943eb18200b32
SHA256: ff8a74b77c8a473dee9524d17112424b6e4f6327292ed02475abdb872e5111e3
image/jpeg
25.92KB
2016-10-20 06:16:55 +0000 UTC