Pavel Romanovich Popovich at the conference "Gagarin Readings", RSTU "MATI" named after K E. Tsiolkovsky, ILA Department
<ul><li><a href="//commons.wikimedia.org/wiki/File:PopovichPR.jpg" title="File:PopovichPR.jpg">PopovichPR.jpg</a>: <a href="//commons.wikimedia.org/wiki/User:Akkit" title="User:Akkit">Akkit</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Materialscientist" title="User:Materialscientist">Materialscientist</a></li></ul>
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