1.

Journal

Journal
Bŭlgarska akademii︠a︡ na naukite
Published: София : Изд-во на БАН, 1991-
Volume(Year): Т. 44, no 1 (1991)-
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2.

Journal

Journal
Bulgarian Academy of Sciences, Space Research Institute
Published: Sofia : Bulgarian Academy of Sciences, Space Research Institute, 2003-
Volume(Year): Vol. 17 (2003)-
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3.

Journal

Journal
Bulgarian Academy of Sciences
Published: Sofia : Bulgarian Academy of Sciences
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4.

Journal

Journal
Българска академия на науките
Published: София : Академично издателство "Проф. Марин Дринов", c1986-
Volume(Year): Г. 34 (1986)-
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5.

Journal

Journal
Bulgarian Academy of Sciences, Institute of Astronomy and Rozhen NAO, Bulgarian Astronomical Society
Published: Sofia : Institute of Astronomy, Bulgarian Academy of Sciences
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6.

Journal

Journal
Bŭlgarska akademii︠a︡ na naukite
Published: София : Изд-во на Българската академия на науките, 1975-
Volume(Year): Т. 1 (1975)-
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7.

Journal

Journal
Bŭlgarska akademii︠a︡ na naukite
Published: [София] : Българска академия на науките, 1975-
Volume(Year): Т. 1, no. 1 (1975)-
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8.

Journal

Journal
Bŭlgarska akademii︠a︡ na naukite
Published: София : Изд. на Българската академия на науките, -c1985
Volume(Year): -г. 33 (1985)
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9.

Journal

Journal
Bŭlgarska akademii︠a︡ na naukite
Published: София : Печатница на Българската академия науките, 1950-1990
Volume(Year): Т. 3, no. 1 (1950)-т. 43, no. 12 (1990)
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