Add to ORKG[Obretenov Apostol; Obretenov A.; Обретенов Апостол]Bulgarian. Russian, English summar
[Georgieva Nadežda; Georgieva N.; Georgieva Nadejda; Георгиева Надежда]Bulgarian. Russian, English s...
[Stoyanov Nikolai; Stojanov N.; Stoyanov N.; Стоянов Николай]Russian. Bulgarian, English summar
[Stefanov Stefan; Stefanov S.; Stefanov Stefan G.; Стефанов Стефан Г.]Bulgarian. Russian, English su...
[Obretenov Apostol; Obretenov A.; Обретенов Апостол]Bulgarian. Russian, English summar
[Obretenov Apostol; Obretenov A.; Обретенов Апостол]Bulgarian. Russian, English summar
[Obretenov Apostol; Obretenov A.; Обретенов Апостол]Bulgarian. Russian, English summar
[Obretenov Apostol; Obretenov A.; Обретенов Апостол]; [Krâsteva Maria; Krasteva Maria; Кръстева Мари...
[Popov Vasil A.; Popov V.; Popov Vassil A.; Попов Васил А.]Bulgarian. Russian, English summar
[Mollov Todor; Mollov T. Zh.; Моллов Тодор Ж.]Bulgarian. Russian, English summar
[Obrechkoff Nikola; Obreschkoff Nikola; Obreshkoff Nikola; Obreshkov Nikola; Obreškov Nikola; Обрешк...
[Obretenov A.; Obretenov Apostol; Обретенов Апостол]Bulgarian. Russian, French summar
[Langov A.; Langov Anani; Лангов Анани]; [Pačev Hr.; Pachev Hristo; Пачев Христо]Bulgarian. Russian,...
[Obrechkoff Nikola; Obreschkoff Nikola; Obreshkoff Nikola; Obreshkov Nikola; Obreškov Nikola; Обрешк...
[Obrechkoff N.; Obrechkoff Nikola; Obreschkoff Nikola; Obreshkoff Nikola; Obreshkov Nikola; Obreškov...
[Obrechkoff Nikola; Obreschkoff Nikola; Obreshkoff Nikola; Obreshkov Nikola; Obreškov Nikola; Обрешк...
[Georgieva Nadežda; Georgieva N.; Georgieva Nadejda; Георгиева Надежда]Bulgarian. Russian, English s...
[Stoyanov Nikolai; Stojanov N.; Stoyanov N.; Стоянов Николай]Russian. Bulgarian, English summar
[Stefanov Stefan; Stefanov S.; Stefanov Stefan G.; Стефанов Стефан Г.]Bulgarian. Russian, English su...
[Obretenov Apostol; Obretenov A.; Обретенов Апостол]Bulgarian. Russian, English summar
[Obretenov Apostol; Obretenov A.; Обретенов Апостол]Bulgarian. Russian, English summar
[Obretenov Apostol; Obretenov A.; Обретенов Апостол]Bulgarian. Russian, English summar
[Obretenov Apostol; Obretenov A.; Обретенов Апостол]; [Krâsteva Maria; Krasteva Maria; Кръстева Мари...
[Popov Vasil A.; Popov V.; Popov Vassil A.; Попов Васил А.]Bulgarian. Russian, English summar
[Mollov Todor; Mollov T. Zh.; Моллов Тодор Ж.]Bulgarian. Russian, English summar
[Obrechkoff Nikola; Obreschkoff Nikola; Obreshkoff Nikola; Obreshkov Nikola; Obreškov Nikola; Обрешк...
[Obretenov A.; Obretenov Apostol; Обретенов Апостол]Bulgarian. Russian, French summar
[Langov A.; Langov Anani; Лангов Анани]; [Pačev Hr.; Pachev Hristo; Пачев Христо]Bulgarian. Russian,...
[Obrechkoff Nikola; Obreschkoff Nikola; Obreshkoff Nikola; Obreshkov Nikola; Obreškov Nikola; Обрешк...
[Obrechkoff N.; Obrechkoff Nikola; Obreschkoff Nikola; Obreshkoff Nikola; Obreshkov Nikola; Obreškov...
[Obrechkoff Nikola; Obreschkoff Nikola; Obreshkoff Nikola; Obreshkov Nikola; Obreškov Nikola; Обрешк...
[Georgieva Nadežda; Georgieva N.; Georgieva Nadejda; Георгиева Надежда]Bulgarian. Russian, English s...
[Stoyanov Nikolai; Stojanov N.; Stoyanov N.; Стоянов Николай]Russian. Bulgarian, English summar
[Stefanov Stefan; Stefanov S.; Stefanov Stefan G.; Стефанов Стефан Г.]Bulgarian. Russian, English su...