Russia · Perm National Research Polytechnic University
SHA1: 1f0a97e318214894e52429de97962ef30e948a84
SHA256: 3cdc3962f6442db04822d0727fdf0e1bd3ce90fae497f5cd312a167069b6a20e
image/jpeg
172.18KB
2013-08-20 05:42:03 +0000 UTC