Yury Geltser(@authorygeltser) 's Twitter Profileg
Yury Geltser

@authorygeltser

Yury G. Geltser is a well-known entrepreneur and scientist. He is a published author of two books and over hundred scientific articles. 📖

ID:1056845797596119040

linkhttp://www.yurygeltser.com/ calendar_today29-10-2018 09:50:48

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