Akademik Balevski -- mŭdret︠s︡ŭt

40 godini nauchni izsledvanii︠a︡ v Narodna Republika Bŭlgarii︠a︡

Bŭlgariada

1996

Bulgaria and the Bulgarian Academy of Sciences

1977

Nastroenii͡a︡

1997

Nauka, chovek, obshtestvo

1985