1. V. V. Dobrotvorskii, A. Ya. Krasil’nikov, and L. N. Sukhorosov, “Sealed equipment containing magnetic clutches,” Khim. Neft. Mashinostr., No. 6, 39 (1994).
2. A. Ya. Krasil’nikov and A. A. Krasil’nikov, “Magnetic systems and clutches in permanent magnets for a sealed equipment,” Khim. Neftegaz. Mashinostr., No. 4, 28–29 (2003).
3. A. Ya. Krasil’nikov, “Selecting a magnetic clutch for a sealed pump,” Khim. Neftegaz. Mashinostr., No. 2, 24–26 (2001).
4. A. Ya. Krasil’nikov and A. A. Krasil’nikov, “High-coercivity permanent magnets in magnetic clutches,” Khim. Neftegaz. Mashinostr., No. 10, 30–31 (2006).