Marinov, Georgi
[Author]
;
Iliev, Ivan
[Other];
Kawecka-Wyrzykowska, Elżbieta
[Other];
Dimitrova, Vesselina
[Other];
Boshnakov, Petyo
[Other];
Koleva, Bistra
[Other];
Makni, Valentina Genova
[Other];
Roussev, Ivan
[Other];
Gubik, Andrea
[Other];
Bartha, Zoltan
[Other];
Boneva, Svetla
[Other];
Atanasov, Atanas
[Other];
Shivarov, Aleksandar
[Other]