1. Levins, N., Pugachev, V., Dirba, J., & Lavrinovicha, L. (2013). High-reliability brushless synchronous motors for hand tools and household appliances. Latvian Journal of Physics and Technical Sciences, 50(3), 3–11. DOI:10.2478/lpts-2013-001510.2478/lpts-2013-0015
2. Pugachevs, V., Dirba, J., Kukjane (Lavrinovicha) L., Levins, N., & Orlova, S. (2012). Patent No. LV 14418 B. Riga: Patent Office of the Republic of Latvia (in Latvian).
3. Levins, N., Pugachevs, V., Dirba, J., Lavrinovicha, L., & Brakanskis, U. (2012). Patent No. LV 14627 B. Riga: Patent Office of the Republic of Latvia (in Latvian).
5. Bomela, X.B., & Kamper, M.J. (2002). Effect of stator chording and rotor skewing on performance of reluctance synchronous machine. IEEE Transactions on Industry Applications, 38(1), 91–100.10.1109/28.980362
6. Dirba, J., Lavrinovicha, L., & Dobriyan, R. (2015). Prospects of synchronous reluctance motors usage in low power electrical devices. Latvian Journal of Physics and Technical Sciences, 52(2), 40–48. DOI: 10.1515/lpts-2015-001010.1515/lpts-2015-0010
7. Dirba, J., Lavrinovicha, L., & Dobriyan, R. (2016). Study of the synchronous reluctance motor design. Latvian Journal of Physics and Technical Sciences, 53(4), 22–29. DOI: 10.1515/lpts-2016-002510.1515/lpts-2016-0025