Tsivilitsin, V. Yu., Yu. V. Milman, V. A. Goncharuk, and I. B. Bondar. “Calculation and Experimental Study of the Retracting Force for Magnetic Springs of Two Types”. Ukrainian Journal of Physics 59, no. 10 (October 25, 2018): 1020. Accessed March 29, 2024. https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2018542.