Russia · Perm National Research Polytechnic University
SHA1: c540f28bc495de9c682f04efd193fd540e880879
SHA256: 331cf4a62679cef967f9b8a76f76a5913e3d1b6bbbd14791cf0b028ca75fb45f
image/png
13.31KB
2016-10-20 08:28:23 +0000 UTC