1. State Standard of Ukraine (DSTU) 2278-93. “Mechanical clutches. Terms and definitions”.
2. Malashchenko, V.O., Petrenko, P.Y., Sorokovskyi, O.I. “Conical bypass coupling”, Patent of Ukraine № 29068A, 1999.
3. Malashchenko, V.O., Sorokovskyi, O.I. “Freewheel ball clutch”. Patent of Ukraine №28884A, 1999.
4. Malashchenko, V.O. Drive clutches. Constructions and examples of calculations. Lviv: NU LP, 2006; 2nd edition, 2009.
5. Malashchenko, V.O., Sorokivskyi, O.I., Gomishin, I. “Freewheeling ball clutch”, Strojastvo Strojventvi 42, pp. 56 – 57, 2001.