Russia · Perm National Research Polytechnic University
SHA1: 1341bb535c792513ee52fe2ac5ed08254108f821
SHA256: f931c8e6f0dfade4a077c09af7b4e036ca338a8e6cd794fae13143e5a49815d2
image/jpeg
16.13KB
2016-10-20 06:16:55 +0000 UTC