Russia · Perm National Research Polytechnic University
SHA1: f683588b249e1df9d30faa62ca598805693efa47
SHA256: 58e1600cec3283c56a85305a0ca8ca99db4395743c5404114d43dae2de520fbe
image/jpeg
8.15KB
2016-10-19 05:59:18 +0000 UTC