1] mr Sasa Lalos Significance of hydraulic system working fluid maintenance with integrated logic and built-in components" - 13th International Conference on Accomplishments in Mechanical and Industrial Engineering, 01.02.2017.
(https://ekonferencije.com/sr1/rad/significance-of-hydraulic-syst/4778)

2] mr Sasa Lalos EFFECT OF BULK MODULUS OF FLUID ON THE DYNAMIC BEHAVIOR OF THE HYDRAULIC SYSTEM" - 12. Međunarodna konferencija o dostignućima elektrotehnike, mašinstva i informatike, 08.03.2015.
(https://ekonferencije.com/sr1/rad/effect-of-bulk-modulus-of-flui/3094)