1. Mechanisms and Machine Science;VI Goldfarb,2019
2. Goldfarb, V.I., Trubachev, E.S., Bogdanov, K.V., Pushkareva, T.A.: Prospects of manufacturing spiroid gears with small gear ratios. Forsch. Ingenieurwes. 83(3), 781–791 (2019). https://doi.org/10.1007/s10010-019-00343-8
3. Goldfarb, V.I., et al.: Spiroid gearboxes of pipeline valves. Veche, Moscow (2011)
4. Georgiev, A.K.: Development of main gears of passenger cars. Report on scientific research work. Izhevsk (1972)
5. Goldfarb, V.I.: What we know about spiroid gearing. In: International Conference on Mechanical Transmissions, vol. 1, pp. 19–26. Science Press, China (2006)