ºÝºÝߣ

ºÝºÝߣShare a Scribd company logo
astronweb

Валерий Городецкий

1 ºÝºÝߣShare34 Followers36 Followings
1 ºÝºÝߣShare34 Followers36 Followings
Personal Information
Organization / Workplace
Saint Petersburg, Russia

Presentations(1)Ìý