Galactic Legend of Life and DeathBoian Alexandrov, Dora Alexandrov, Eliza Dee, Vladimir Ovcharov, Kamo Atanassov · First published 2015Open the Tome
Археометричен анализ на българските средновековни монетосеченияVladimir Ovcharov · First published 2011Open the Tome
Devetii︠a︡t izstrelVladimir Ilʹich Li︠u︡bovt︠s︡ev, Ĭordank Ovcharov · First published 1969Open the Tome
