2008 "Shaft line precession" Sozopol, "XXIII International Non-destructive Testing Conference"
2008 "Power turbine balancing" Sozopol, "XXIII International Non-destructive Testing Conference"
2007 “Optimum distribution of weight elements on rotation objects” Sozopol, "XXII International Non-destructive Testing Conference"
2000 “Rotation machine field balancing. Problems and solutions” Varna, "VII National Conference of Machines and Equipments Diagnostics"
2000 “Trouble and faults identification via vibration-acoustic diagnostics methods” Varna, "VII National Conference of Machines and Equipments Diagnostics"
2000 “Real Time Dual Channel Audio Analyser and it’s application in Vibration Diagnostics” Sozopol, "XV International Non-destructive Testing Conference"
2000 “Computerised system for radiographic control” Sozopol, "XV International Non-destructive Testing Conference"
1998 “Influence of turbo generator’s misalignment deviation upon their vibration condition” Varna, "VI National Conference of Machines and Equipments Diagnostics"
1996 Package of applied programs in the field of the vibration diagnostics" Varna, "V National Conference of Machines and Equipments Diagnostics"
1996 “Analysis of machine run-ups / coast-downs and identification of critical frequencies” Varna, "V National Conference of Machines and Equipments Diagnostics"