Grinchenko, V. S., Chunikhin, K. V. and Grinchenko, N. V. (2016) “LOW-FREQUENCY MAGNETIC FIELD SHIELDING BY A CIRCULAR PASSIVE LOOP AND CLOSED SHELLS”, Electrical Engineering & Electromechanics, (2), pp. 20–23. doi: 10.20998/2074-272X.2016.2.03.