Russia · Perm National Research Polytechnic University
SHA1: 6f31ea063fe0b1504efdd32af6ed8a2b691db945
SHA256: 4de0454c635d97c86478b87eca743d6d4ca7867f371153c75b859815ec495178
image/jpeg
219.81KB
2022-01-26 10:56:01 +0000 UTC