1] dr Željko Bulatović INTERNAL COMBUSTION ENGINE TORQUE NONUNIFORMITY" - 12. Međunarodna konferencija o dostignućima elektrotehnike, mašinstva i informatike, 27.02.2015.
(https://ekonferencije.com/sr1/rad/internal-combustion-engine-tor/2920)

2] dr Željko Bulatović Crankshaft angular velocity of a ten-cylinder diesel engine as a diagnostics parameter" - 12. Međunarodna konferencija o dostignućima elektrotehnike, mašinstva i informatike, 15.02.2015.
(https://ekonferencije.com/sr1/rad/crankshaft-angular-velocity-of/2900)

3] dr Željko Bulatović Engine misfire identification by monitoring exhaust pressure and temperature pulsation in the exhaust manifolds" - 12. Međunarodna konferencija o dostignućima elektrotehnike, mašinstva i informatike, 06.02.2015.
(https://ekonferencije.com/sr1/rad/engine-misfire-identification-/2883)