For citations:
Apryshkin D.S., Khazanovich G.Sh., Otrokov A.V. Substantiation of Passenger Elevators Maintenance Intervals Based on Studies of Modes and Conditions of Their Operation. Safety of Technogenic and Natural Systems. 2022;(4):61-70. https://doi.org/10.23947/2541-9129-2022-4-61-70