No. 60 (1998): Editors: M. S. Dimitrijevic and L. C. Popovic PROCEEDINGS OF THE 4TH YUGOSLAV-ROMANIAN ASTRONOMICAL MEETING May 5-8, 1998, Belgrade, Yugoslavia Dimitrijević, M. S., Popović, L. Č. PREFACE [pp. n/a, PDF, 38KB] Ćirković, M. M. THE INTERGALACTIC PRESSURE AND SIZES OF THE GASEOUS HALOS OF FIELD GALAXIES [pp. 5-15, PDF, 486KB] Čelebonović, V. THE EQUATION OF STATE OF A DEGENERATE FERMI GAS [pp. 16-18, PDF, 109KB] Dimitrijević, M. S., Sahal-Bréchot, S. ON THE STARK BROADENING OF Sc X LINES [pp. 19-21, PDF, 99KB] Dimitrijević, M. S., Sahal-Brechot, S. ON THE STARK BROADENING OF Mg XI LINES [pp. 22-25, PDF, 150KB] Dimitrijević, M. S., Sahal-Brechot, S. ON THE STARK BROADENING OF Na X LINES [pp. 26-29, PDF, 134KB] Donea, F. AGN MODELLING USING ACCRETION DISCS [pp. 30-33, PDF, 166KB] Donea, A. C., Biermann, P. L. THE ORIGIN OF THE JET IN THE ACTIVE GALACTIC NUCLEI [pp. 34-38, PDF, 241KB] Donea, A. C., Mariş, G. X-RAY EMISSION IN SOLAR FLARES [pp. 39-42, PDF, 177KB] Jankov, S., Janot-Pacheco, E., Leister, N. V. FUNDAMENTAL STELLAR AND PULSATION PARAMETERS OF THE Be STAR ζ Oph [pp. 43, PDF, 33KB] Jovanović, B. D. 2800 MHz SOLAR FLUX AND DANUBE RIVER FLUX, I [pp. 44-47, PDF, 170KB] Kurepa, M. V. ELECTRON IMPACT IONIZATION AND ELECTRON ATTACHMENT CROSS SECTIONS OF SOME MOLECULES OF ASTROPHYSICAL IMPORTANCE [pp. 48-54, PDF, 285KB] Milosavljević, V., Djenize, S. STARK WIDTHS OF THE N V AND O V SPECTRAL LINES [pp. 55-58, PDF, 140KB] Ninković, S. MODELS WITH SPHERICAL SYMMETRY - DENSITY BEHAVIOUR [pp. 59-62, PDF, 134KB] Pop, A., Mioc, V. A POSSIBLE EXTENSION OF THE SAITOU-TAKEUTI-TANAKA ONE-ZONE STELLAR MODEL [pp. 63-66, PDF, 138KB] Popović, L. Č., Trajković, N., Kubičela, A. OBSERVATION OF THE GRAVITATIONAL EFFECT IN Hβ OF AGNs [pp. 67-70, PDF, 191KB] Popović, L. Č., Dimitrijević, M. S. THE ELECTRON-IMPACT WIDTHS FOR 4s-4p OF Sr III LINES [pp. 71-73, PDF, 105KB] Samurović, S., Milosević-Zdjelar, V., Ćirković, M. M., Čelebonović, V. A NOTE ON THE MILKY WAY AS A BARRED GALAXY [pp. 74-82, PDF, 416KB] Tankosić, D., Popović, L. Č., Dimitrijević, M. S. THE ELECTRON-IMPACT BROADENING PARAMETERS FOR Ti II LINES [pp. 83-86, PDF, 122KB] Vranjes, J. NONLINEAR COHERENT STRUCTURES IN PLASMAS AND FLUIDS [pp. 87-90, PDF, 173KB] Cvetković, Z., Dačić, M., Popović, N. DAY-TIME OBSERVATIONS WITH THE BELGRADE MERIDIAN CIRCLE - REDUCTION OF THE INSTRUMENT PARAMETERS TO THE FK5 SYSTEM [pp. 91-95, PDF, 178KB] Damljanović, G., Jovanović, B., Jovanović, P. THE SMOOTHING OF THE POLAR MOTION DATA BY THE LEAST-SQUARE COLLOCATION METHOD [pp. 96-102, PDF, 233KB] Popescu, P. MERIDIAN ASTROMETRY IN ROMANIA [pp. 104-109, PDF, 246KB] Popescu, R., Paraschiv, P. PROCESSING OF CCD ASTROMETRIC OBSERVATIONS WITH THE BUCHAREST ASTROLABE [pp. 110-113, PDF, 150KB] Popović, G. M., Pavlović, R., Zivkov, V. CATALOGUE OF DOUBLE STAR OBSERVATIONS MADE AT THE BELGRADE OBSERVATORY - CDSO [pp. 114-117, PDF, 163KB] Protitch-Benishek, V., Pakvor, I., Damljanović, G. PAST AND FUTURE OF ASTROMETRICAL WORK AT BELGRADE OBSERVATORY [pp. 118-121, PDF, 199KB] Zivkov, V., Ninković, S. GALACTOCENTRIC ORBITS OF 26 MILKY-WAY GLOBULAR CLUSTERS [pp. 122-124, PDF, 143KB] Knezević, Z. ADVANCED THEORIES TO COMPUTE ASTEROID MEAN ELEMENTS [pp. 125, PDF, 44KB] Mioc, V. SPECIFIC DYNAMICAL FEATURES OF MANEV-TYPE PROBLEMS [pp. 126-133, PDF, 273KB] Mioc, V., Stavinschi, M. JACOBI INTEGRAL IN THE RESTRICTED CIRCULAR SCHWARZCHILD-TYPE MANY-BODY PROBLEM [pp. 134-138, PDF, 188KB] Tomić, A. S. GENERALIZED TITIUS-BODES RULE AND ASTEROIDAL BELTS [pp. 139, PDF, 35KB] Tomić, A. S. QUANTIZATION IN MACROSCOPIC GRAVITATIONAL FIELD [pp. 139, PDF, 35KB] Tomić, A. S. MASS-RADIUS TEST FOR CENTRAL BODY IN PLANETARY SYSTEM [pp. 140, PDF, 24KB] Arsenijević, J., Kubičela, A. Hα EMMISSION IN SOLAR CORONA [pp. 141-144, PDF, 178KB] Arsenijević, J., Kubičela, A. OPTICAL POLARIZATION OF SOLAR CORONA - PROGRAM FOR TOTAL SOLAR ECLIPSE ON AVGUST 11, 1999 [pp. 145-146, PDF, 59KB] Vince, I., Kubičela, A. FLASH SPECTRUM OBSERVATION AROUND THE BALMER JUMP [pp. 147-152, PDF, 219KB] Babović, V., Nikolić, S., Simić, S., Josović, D. UP ON THE CLEAR SKY OF SERBIA [pp. 153, PDF, 17KB] Barlai, K. EARTHBOUND ASTRONOMY [pp. 154-156, PDF, 124KB] Dimitrijević, M. S. ARCHAEOASTRONOMY AND ASTRONOMY IN CULTURE AND RELEVANT RESEARCH IN SERBIA [pp. 157-161, PDF, 255KB] Dimitrijević, M. S. BELGRADE ASTRONOMICAL OBSERVATORY [pp. 162-170, PDF, 493KB] Djokić, M. THE DEVELOPMENT OF THE BELGRADE ASTRONOMICAL OBSERVATORY BETWEEN 1887 AND 1941 [pp. 171-173, PDF, 240KB] Djordjević, R. PHILOSOPHIC ANTICIPATIONS AND SCIENTIFIC CONCEPTIONS OF THE RUSSIAN COSMISTS [pp. 174, PDF, 48KB] Jovanović, B. D. ASTRONOMY TEACHING DEVELOPMENT AMONG SERBS, II [pp. 175-183, PDF, 569KB] Milićević, V. SOME IMPORTANT DOCUMENTS OF MILUTIN MILANKOVIC'S LIFE AND WORK (1904-1938) [pp. 184-192, PDF, 323KB] Milogradov-Turin, J. CHAIR OF ASTRONOMY OF THE UNIVERSITY OF BELGRADE [pp. 193-195, PDF, 163KB] Milosević-Zdjelar, V., Samurović, S. VAN GOGH AND STARRY SKY [pp. 196-200, PDF, 196KB] Petrović, R. CRUX DISSIMULATE - SWASTICA [pp. 201-206, PDF, 240KB] Popović, L. Č. AMATEUR ASTRONOMY IN YUGOSLAVIA [pp. 207, PDF, 48KB] Protitch-Benishek, V. FROM THE STUDY "LIFE AND WORK OF PETAR MUSEN" [pp. 208-211, PDF, 218KB] Stavinschi, M. THE ASTRONOMICAL OBSERVATORY OF BUCHAREST HAS 90 YEARS [pp. 212-217, PDF, 338KB] Tadić, M. OLD SUNDIALS IN SERBIAN LANDS [pp. 218-225, PDF, 400KB] Trajkovska, V., Protitch-Benishek, V. MILAN J. ANDONOVIC AND HIS CONTRIBUTION TO THE DEVELOPMENT OF ASTRONOMY AMONG SERBS [pp. 226-229, PDF, 214KB] Vince, A. ASTRONOMICAL ORIENTATION OF SKELETONS IN THE EARLY ENEOLITHIC NECROPOLIS AT PODLOKANJ [pp. 230-233, PDF, 186KB]