Prof. Dr. Alexander Kopelman

@dr.alexanderkopelman • Joined December 29, 2016

Subscribers 35.0K | Views 2.83M | Videos 177

Subs#872,177

Subs#27,799

Views#1,347,792

Views#31,299

@dr.alexanderkopelman • Joined December 29, 2016

Sub 35.0K | View 2.83M | Video 177

#872,177

#27,799

#1,347,792

#31,299

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