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Serge Gnabry Sergej Milinković-Savić Sergey Aleksandrovich Yesenin Sergey Pavlovich Korolyov Sergey Sergeyevich Prokofyev Sergei Vasilievich Rachmaninoff Sergey Brin Sergey Kuzhugetovich Shoygu Sergei Leonidovich Magnitsky Sergey KarjakinTài liệu tham khảo
WikiPedia: Sergei_Vasilyevich_Lebedev http://www.answers.com/topic/butadiene http://www.todayinsci.com/7/7_25.htm http://www.peoples.ru/science/chemistry/lebedev/ http://www.vniisk.ru/history.html https://web.archive.org/web/20150419024000/http://... https://commons.wikimedia.org/wiki/Category:Sergei...