| Budislav TatićVladimir VeljovićAca Marković | Beitrag zur Erforschung der Vegetation von Kopaonik - Srebrenac und Jelica | 7 |
| Vladimir VeljovićBudislav Tatić | Beitrag zur Erforschung des Areals der Art AdonisVernalis L | 17 |
| Ivan Gutman | Contribution to the quantum theory of alternant molecules | 23 |
| Miroslava Petrović-Torgašev | Subspaces of recurrent Riemannian spaces | 33 |
| Vukota BabovićVladimir Ristić | Some observations on Fraunhofer diffraction of laser beam on circular aperture | 45 |
| Bela Blesić | Knowledge of the fauna Campodeidae (Diplura, Insecta) of Yugoslavia | 55 |
| Srboljub Stamenković | Determination of the enthalpy of sublimation of some inert gases on absolute zero | 59 |
| Srbobran StojanovićMiroslav Ristanović | Resistance of some barley varieties to Erysiphe graminis DC f.sp. hordei Marchal | 69 |
| Vitko M. Šorić | Приложение к исследованию структуры ихтиофауны метохийской потамологической системы | 79 |
| Ljiljana VasiljevićJelena SimonovićIvanka MirićDraginja Veličković | Solid cellulose nitrate trace detectors in the measurement of alpha radiations of different energies | 87 |
| Bogdan M. Damjanović | Une methode de décision d'une équation integrale de Volterre (de type spéciale) | 97 |
| Miodrag Mišić | On certain properties of the images and the inverse images of points at multivalued mappings | 105 |
| Ranđel P. MihajlovićLjiljana V. Mihajlović Branislav V. Vukanović | Determination of zinc in some agricultural materials from the industrial region of Kosovska Mitrovica by atomic absorption spectroscopy | 111 |
| Ranđel P. MihajlovićVilim J. Vajgand | Coulometric generation of H+ ions by oxidation of dienes, dihydronaphtalene, tetrahydronaphthalene and dihydroanthracene on platinum anode in a mixture of solution of acetic acid and acetic anhydride in acetonitrile | 121 |
| Dragić Banković | Some theorems on Boolean equations | 133 |
| Nikola Rosić | Two summation formulas and their application to summing up of convergent series | 139 |
| Nikola Rosić | Aсимптотическое поведение решений дифференциального уравнения Риккати dy/dx+a(x)y+f(x)+y2=0 | 147 |
| Miroslav Vučković | Oб интеграле Пуассона | 153 |
| Ivan Gutman | Calculation of the effect of a ring on the π-electron charge in conjugated hydrocarbons | 157 |