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| Issue Date | Title | Author(s) | Type | Мp-cat. |
| 1999 | Active Galactic Nuclei With Double Peaked Lines: Akn 120, 3C390.3 and III Zw2 | Popović, Luka Č. ; Kubičela, A.; Stanić, N.; Bon, E. | Article | |
| 1999 | The Influence of Star Formation Thresholds on Duration of the Stelliferous Era | Ćirković, M.~M.  | Article | |
| 1999 | Damped LY-alpha System Toward QSO1854+116 -- a New Type of Absorber? | Cirkovic, M.~M.  | Article | |
| 1999 | The electron-impact broadening effect in CP stars: the case of La II , La II i, EU II , and EU II i lines | Popović, Luka Č. ; Dimitrijević, M. S. ; Ryabchikova, T. | Article | |
| 1999 | INVESTIGATIONS OF ACTIVE GALAXIES SPECTRAL LINE SHAPES ON BELGRADE ASTRONOMICAL OBSERVATORY | Popovic, Luka C  | Conference Paper | |
| 1999 | Amateur astronomy in Yugoslavia | Popovic, Luka C  | Conference Paper | |
| 1999 | Possible Cosmological Connection Between Quasars and Lyα Absorbing System Clustering | Popović, L. Č. ; Ćirković, M. M. ; Simić, S. | Conference Paper | |
| 1999 | The stark broadening effect in hot star atmospheres: AuI and AuII lines | Popovic, LC ; Dimitrijevic, MS ; Tankosic, D | Article | |
| 1999 | First Bulgarian-Yugoslav Astronomical Meeting, Belogradchik (Bulgaria), 5 - 8 Aug 1998. Proceedings. | Dimitrijević, M. S. ; Popović, L. C. ; Tsvetkov, M. | Editorial works | |
| 1999 | The Wilson-Bappu relation for RS CVn stars | Özeren, FF; Doyle, JG; Jevremovic, D  | Article | |
| 1999 | Possible Cosmological Connection Between Quasars and Lyα</SUB> Absorbing System Clustering | Popović, Luka Č. ; Ćirković, M. M.; Simić, S. | Article | |
| 1999 | Spectral line investigation of Active Galactic Nuclei at Belgrade Observatory | Popovic, Luka C  | Conference Paper | |
| 1999 | Total solar eclipses through ages | Popović, Luka Č.  | Article | |
| 1999 | Investigations Of Active Galaxies Spectral Line Shapes On Belgrade Astronomical Observatory (In Serbian) | Popović, Luka Č.  | Article | |
| 1999 | Spectral line investigation of active galactic nuclei at Belgrade Observatory | Popović, Luka Č.  | Article | |
| 1999 | The Variation of the Local Geomagnetic Field During the August 11 1999 Total Solar Eclipse | Djordjević, A.; Milićević, V.; Mihajlović, S.; Starčević, M.; Popović, Luka Č.  | Article | |
| 1999 | Ly\ensuremathα forest and the total absorption cross-section of galaxies -- an example of the NTT SUSI Deep Field | Samurović, Srdjan ; Čirkovič, Milan M. ; Giuricin, G.; Mezzetti, M.; Salucci, P. | Conference Paper | |
| 1999 | 12th National Conference of Yugoslav Astronomers and International Workshop on the Development of Astronomical Databases, Beograd (Serbia), 19-21 Nov 1999. Proceedings. | Popović, L. C. ; Dačić, M. | Editorial works | |
| 1998 | Ultraviolet and optical flares on Gl 866 | Jevremovic, D ; Butler, CJ; Drake, SA; O'Donoghue, D; van Wyk, F | Article | |
| 1998 | Gas dynamics in the central part of the Sy 1 galaxies: III Zw 2 and Mrk 817 | Popović, Luka Č. ; Vince, I.; Kubicela, A.; Salim, S. | Conference Paper | |