Russia · Perm National Research Polytechnic University
SHA1: 1a83ef9e79cd715902257bb3d933cdb5562027b8
SHA256: 9a5a2787cc5fe2eab0dadfa6ca5a87a4a266ac283af75c9ecc32d46ef9f1aa65
image/jpeg
6.36MB
2013-09-12 15:05:02 +0000 UTC