in National Muzeum «Zyemyata i khorata» (Bulgaria)
On November 3-4, 2010, a conference «Academician Valyentin Afanasyevich Koptyug - the great humanist of the 20 century» took place in Sofia (Bulgaria). Vyera Alyeksandrovna Dubovyenko, the Deputy Director of SPSL SB RAS, participated in the conference with the presentation of electronic Memorial library of V.A.Koptyug.
Koptyuk V.A. KHimiyata i ustoichivoto razvitiye // Spisaniye na B'lgarskata akadyemiya na naukitye. 1993. T.39, N 3/4. S.89-97 (in Bulgarian).
On November 3-4, 2010, a conference «Academician Valyentin Afanasyevich Koptyug - the great humanist of the 20 century» took place in Sofia (Bulgaria). 