Валентин Феодосьевич Выдрин (Speaker)
Activity: Talk types › Oral presentation
Валентин Феодосьевич Выдрин (Speaker)
Activity: Talk types › Oral presentation
Валентин Феодосьевич Выдрин (Speaker)
Activity: Talk types › Oral presentation
Валентин Феодосьевич Выдрин (Speaker)
Activity: Talk types › Oral presentation
Валентин Феодосьевич Выдрин (Speaker)
Activity: Talk types › Oral presentation
Валентин Феодосьевич Выдрин (Speaker) & Nina Sumbatova (Speaker)
Activity: Talk types › Oral presentation
ID: 173489