1
Published: 2000-
2
3
Published: 1958-1961
4
5
Published: 1969
Superior document: Sto godini Bălgarska Akademija na Naukite 1869 - 1969 1
6
Published: 2009
Links: Inhaltsverzeichnis
7
Published: 1978
8
Published: 1978
9
Published: 1980
10
Published: 2012
11
Published: 1989
12
Published: 1959-1973
13
14
Published: 2005
Superior document: Fizikata v Bălgarija 1889-1960 ; nauka, obrazovanie, prosveta ; bibliografija 1
15
Published: 1974
16
Published: 1972
Superior document: Sto godini Bălgarska Akademija na Naukite 1869 - 1969 3