| MATHEMATICS | | |
Borislav Crstici Sever S. Dragomir | On certain inequalities on Jensen's type | 7 |
A. F. Palistrant A. M. Zamorzaev | Two-dimensional and three-dimensional P-symmetry groups and their applications to study of multidimensional symmetry groups | 15 |
Sever S. Dragomir Nicoleta M. Ionescu | On an inaequality of Tiberiu Popoviću (II) | 21 |
| Daniel Avraam Romano | Generalizations of inverse limits of abelian groups with apartnesses . | 27 |
| Daniel Avraam Romano | Decomposition of coequality relation | 45 |
| Slavik V. Jablan | Edge bicolorings of connected graphs | 53 |
Sever S. Dragomir Dragoljub M. Milošević | Two mappings in connection to Jensen's inequality | 65 |
| Nikola RosićMiroslav Vučković | Generalization of a result of T. Pejović | 75 |
| Dragić Banković | Equations over Boolean rings | 81 |
| PHYSICS | | |
Branislav Čabrić Tomislav Pavlović Božidar Žižić | Crystallization of BaNi2II(PO4)2 where MII=Mg, Co or Ni. | 91 |
| CHEMISTRY | | |
Ivan Gutman Marija Stanković | Cyclic conjugation in non-Kekulean benzenoid molecules | 97 |
| BIOLOGY | | |
Spasenija Karaman Mirjana Stojanović | Autecological analysis of Lumbricidae of Kragujevac environment | 105 |
Milić Matović Ljiljana Vujković | Phenotype variability of spruce trees of (Picea abies L.) at the locality Paljika and its potential value in landscape architecture | 115 |
Radomir Ognjanović Aca Marković Milivoje Milovanović | The influence of mechanical control of weeds in wheat on amount and composition of admixtures in grain yield | 121 |
Radomir Ognjanović Aca Marković Milivoje Milovanović | Quantities and compositions of admixtures in wheat with review of weed seeds | 131 |
Radomir Ognjanović Aca Marković Vladimir Veljović | Investigation of weeds flora in small grains on territories of region Kraljevo | 141 |
Milan N. Petronijević Nataša D. Stojadinović Milosav Kostić | Effects of Cadmium on the activity of oxidative pentose pathway in rabbit erythrocytes and reticulocytes | 153 |