Lazarov, Rosen. “RESEARCH ON THE CHANGE IN BALLISTIC CHARACTERISTICS OF AMMUNITION WITH A MODIFIED PROJECTILE SHAPE DURING ITS MOVEMENT IN AN AIR ENVIRONMENT”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, vol. 4, June 2024, pp. 164-7, https://doi.org/10.17770/etr2024vol4.8194.