Cvetanov, G. and Karadzhov, T. 2024. OPTICAL GEOMETRIC DESIGN OF SMALL MODULAR CYLINDRICAL GEARS WITH ASYMMETRIC PROFILE. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference. 3, (Jan. 2024), 61–64. DOI:https://doi.org/10.17770/etr2023vol3.7279.