Russia · Perm National Research Polytechnic University
SHA1: 71dd14b5eb2cbaa2e6dd38a95daaf078373e7eb1
SHA256: 549431b5b0906c1fe8ccc8d3b23d41677aca0d6ee9c2894f78cda84043c6454f
image/jpeg
12.75KB
2016-10-19 06:36:49 +0000 UTC