MVM 2023 - Volume 49 - Number 3 INFLUENCE OF HYDROGEN INJECTION AND IGNITION PARAMETERS ON THE COMBUSTION PROCESS IN THE IC ENGINE Miroslav Petrović, Aleksandar Davinić, Nadica Stojanović, Ivan Grujić Mobility and Vehicle Mechanics, vol. 49, no. 3, 1-14, 2023. DEVELOPMENT OF A METHOD FOR DEFINING THE TORSIONAL STIFFNESS OF THE FRAME IN THE INITIAL PHASE OF DESIGNING A HEAVY MOTOR VEHICLE Miroslav Demić Mobility and Vehicle Mechanics, vol. 49, no. 3, pp. 15-29, 2023. THE STUDY OF THE PROCESSES THAT TAKE PLACE IN GASOLINE INJECTION ENGINES Vasile Blaga, Mihai Blaga Mobility and Vehicle Mechanics, vol. 49, no. 3, pp. 31-46, 2023. REVIEW OF THE ADVANCED HIGH-STRENGTH STEELS USED IN AUTOMOTIVE INDUSTRY Djordje Ivković, Dragan Adamović, Dušan Arsić, Nada Ratković, Andjela Mitrović, Ružica Nikolić Mobility and Vehicle Mechanics, vol. 49, no. 3, pp. 47-64, 2023. SIMULATION OF PEDESTRIAN THROW DISTANCE IN THE SOFTWARE PACKAGE PC-CRASH - COMPARISON WITH EXPERIMENT AND THEORY Slavica Mаčužić Saveljić Danijela Miloradović Mobility and Vehicle Mechanics, vol. 49, no. 3, pp. 65- 75, 2023.