Preface.- 1. Keynotes: 1. Arnaudov, K., Karaivanov, D. Alternative method for analysis of complex compound planetary gear trains – essence and possibilities.-   2. Bostan, I. Planetary precessional transmissions: synthesis and generation technologies.-  3. Ene, N., Dimofte, F. New tendencies in the design of modern aerospace transmissions.-  4. Hlebanja, J., Hlebanja, G. An overview of the development of gears.-  5. Hlebanja, J., Hlebanja, G. Recent development of non-involute cylindrical gears.-  6. Höhn, B-R. Future transmissions for wind turbines.-  7. Höhn, B-R., Stahl, K., Oster, P., Tobie, T., Schwienbacher, S., Koller, P. Grinding burn on gears – correlation between flank load-carrying capacity and material characteristics.-  8. Mihailidis, A., Nerantzis, I. Recent developments in automotive differential design.-  9. Miltenović, V., Banić, M., Miltenović, A. Load capacity of worm gears.-  10. Ognjanović, M., Ristić, M. Gear system reliability-based design of gear drive units.-  11. Radzevich, P. S. On fundamentals of the scientific theory of gearing.-  12. Spitas, C. Spitas, V. Towards optimum involute gear design by combining addendum and thickness modifications.-  13. Spitas, C. Spitas, V., Rajabalinejad, M. Dynamical simulation and calculation of the load factor of spur gears with indexing errors and profile modifications for optimal gear design.-  2. Theory, Design and Experimental Researches on Power Transmissions: 14. Alipiev, O., Antonov, S., Grozeva, T. Regarding the effect of the rack-cutter fillet on the undercutting of gears.-  15. Barbaraci, G., Virzi’ Mariotti, G. Influence of uncertainties on PD tuning.-  16. Bucur, B., Bolos, V. Comparative experimental study on noise and vibration level of gearbox with worm face-gear with reverse tapered pinion.-  17. Cananau, S., Dobre, G. CAD/CAE approach of the strain and stress static analysis for spur gear pairs.-  18. Climescu, O., Jaliu, C., Saulescu, R. On the efficiency of a planetary speed increaser usable in small hydros.-  19. Darbinyan, H. Surface and kinematical joint formation from standpoint of task based conceptual design method.-  20. Darbinyan, H. Task based conceptual design method for gear chamfering mechanisms.-  21. Dobreva, A. Theoretical investigation of the energy efficiency of planetary gear trains.-  22. Ene, N., Dimofte, F. The influence of the sleeve elastic deformations on the wave bearing performance in heavy loaded transmissions.-  23. Hlebanja, G, Hlebanja, J. Contribution to the development of cylindrical gears.-  24. Ivanov, K., Yaroslavceva, E. Transfer of motion by closed contour – basis of CVT.-  25. Kraynev, A., Salamandra, K., Raghavan, M. Synthesis of the two-stream transmissions.-  26. Laurian, T., Marian, V. G., Prisecaru, T. Experimental analysis of a kinetic energy recovery system intended for small and medium passenger cars.-  27. Mate, C. Z., Faluvegi, E., Cristea, L. Mathematical simulation in center of gravity position and effect of weight for a biped robot.-  28. Nenov, P. Trifonov, T., Velchev, D., Ronkova, V. Irregular speed of rotation in the Hooke’s joint – visualization and study of its influence on the value of the forces into the pivot and on the strength of the forks.-  29. Nenov, P., Kaloyanov, B., Angelova, E. Geometrical blocking contours (GBC) as an instrument for high-technology design of geometry of involute external and internal gear drives.-  30. Ognjanović, M. Ristić, M., Vasin, S. Bearings failure of gear drive unit caused by gear resonance.-  31. Radulescu, M. The transmission coefficient of hydrostatic drivers.-  32. Spitas, V. Spitas, C. Design of loboid gear pairs using involute discretization.-  33. Trajcevski, L., Geramitchioski, T. Cams-software program to design and synthesis of cams mechanisms.-  34. Vasie, M., Mundo, D., Andrei, L. New algorithm for variable speed gear generation process.-  3. Product Development, Manufacturing and Metrology: 35. Buiga, O., Haragas, S. Single-row planetary gearbox gearings optimization using genetic algorithms.-  36. Kurokawa, S., Umezaki, Y., Hoga, M., Ishimaru, R., Ohnishi, O., Doi, T. Application of MEMS technique for micro gear metrology.-  37. Kuzmanović, S., Mitrović, R., Rackov, M., Miltenović, D. Evaluation and choice of conceptual solutions for a universal geared engine reducer.-  38. Mihailidis, A., Pupaza, C. Design optimization of high ratio planetary systems.-  39. Miloiu, G. The numerical calculus of hobs used to cut W-N gears.-  40. Moldovean, G., Butuc, B., Velicu, R. The optimization of the straight bevel gears used in the mechanical transmissions of a PV tracker.-  41. Tudose, L., Kulcsar, G., Stănescu, C. Pareto approach in multi-objective optimal design of single-row cylindrical rolling bearings.-  42. Vladu, M. R., Dobre, G., Mirica, R. F. On evaluation methods in product development. Application on mechanical transmissions.-  43. Ishimaru, R., Sakuragi, I., Izumi, N. A fundamental study on the improvement for chipping characteristics in gear hobbing with carbide tipped hob.-  44. Ivanović, L., Josifović, D., Ilić, A. Modeling of trochoidal gearing at the gerotor pump.-  45. Pozdirca, A., Oltean, A., Albu, C. S. New worm technologies manufacturing on the NC lathe.-  4. Load capacity, structure and components: 46. Aleksić, V., Vistać, B., Milović, L. Methodological approach to recovery of the cracks on the turbine-shaft at hydroelectric power plant Djerdap II.-  47. Arnaudov, K., Karaivanov, D., Dimitrov, L. Some practical problems of distribution and equalization of internal loads in planetary gear trains.-  48. Bostan, I., Dulgheru, V. Development of planetary precessional transmission with multicouple gear.-  49. Faluvegi, E., Mate, C. Z., Cristea, L. Mathematical model of the bevel gears flanks considering the cutting machine type.-  50. Iamandei, A., Miloiu, G. Motor drives of modern drilling and servicing rigs for oil & gas wells.-  51. Ivanović, L., Josifović, D., Ćatić, D., Ilić, A. Testing of the electromotor power transmitter properties.-  52. Jelić, M., Atanasovska, I. The new approach for calculation of total mesh stiffness and nonlinear load distribution for helical gears.-  5. Maintenance, operating and industrial applications: 53. Atanasovska, I., Jelić, M., Mitrović, R., Momcilović, D. The influence of corrosion on stress concentration factor at shaft to flange radius: 54. Pozdirca, A. Noncircular planetary gears applied to scissors.-  55. Tica, M., Dobre, G., Barbaraci, G., Virzi’ Mariotti, G. Optimal damping constant of the quarter car shock absorber.-  56. Geramitc, T., Trajcevski, L. Vibration impact on life bearings from fan unit for fresh air in Thermo Power Plant REK Bitola.-  57. Onofrei, R., Dobre, G., Mirica, R. F., Pali, M. On measurement and processing data of the real loading. Application to cement equipment components.-  58. Seiciu, P. L. Design of a mechatronic HIOSKI system for recovery of the disabled persons.-   6. Education: 59. Miltenović, V., Banić, M., Miltenović, A. The new model of education of product engineer on university of Nis.- Author Index.