1. Jergel, M. and Hlasnik, I., The Anisotropy of Nb3Sn Superconducting Tapes and Its Effect on the Performance of Superconducting Magnets, Cryogenics, 1970, vol. 10, pp. 323–325.
2. Kovalev, I.A. and Kruglov, S.L., An Experimental Study of the Electrical Characteristics of a Superconducting Helix, Zh. Tekh. Fiz., 1995, vol. 65, no. 11, pp. 150–157.
3. Kolosov, V.N., Gel’, R.P., and Drobotenko, G.A., RF Patent 2089973, Byull. Izobret., 1997, no. 25, pp. 352–353.
4. Kolosov, V.N., RF Patent 2138088, Byull. Izobret., 1999, no. 26, p. 499.
5. Jergel, M., Cabelka, D., Cernusko, V., et al., The Angular Dependence of Critical Currents in Nb3Sn—Effect of Some Preparation Conditions: I. Experimental and Structural Investigations, Czech. J. Phys., 1977, vol. 27, no. 4, pp. 468–476.