Giant effect of Sm atoms on time stability of (NdDy)(FeCo)B magnetRoman B. Morgunov, Ekaterina I. Kunitsyna, Victor V. Kucheryaev, Vadim P. Piskorskii, Olga G. Ospennikova and Eugene N. KablovEur. Phys. J. Plus, 131 9 (2016) 344DOI: https://doi.org/10.1140/epjp/i2016-16344-7