Tsivilitsin, V.Y., Milman, Y.V., Goncharuk, V.A. and Bondar, I.B. 2018. Calculation and Experimental Study of the Retracting Force for Magnetic Springs of Two Types. Ukrainian Journal of Physics. 59, 10 (Oct. 2018), 1020. DOI:https://doi.org/10.15407/ujpe59.10.1020.