1
Published: 1914-
2
Published: 1906-1945
3
Published: 1949
4
Other Authors:
“...Bălgarska akademija na naukite...”
5
Published: 1989-
6
Published: 1948
7
Other Authors:
“...Bălgarska akademija na naukite...”
8
9
Published: 1958-1961
10
Published: 1958
11
Published: 2000-
12
Published: 1988
13
Published: 1975-1980;, 1975-
14
Published: 1978
Superior document: Centăr za Bălgaristika 2,1
15
Published: 1913-1949
16
Published: 1988
17
Published: anfangs;, -2000;, 1972-
18
Published: 1987
19
Published: 1992-
Links: Inhaltsverzeichnis
20
Published: 1987
Superior document: Heterogeneous catalysis proceedings of the sixth international symposium, [Sofia, July 13 - 18, 1987] 2