Magnetic Properties of the Nanocrystalline Nd-Ho-Fe-Co-B Alloy at Low Temperatures: The Influence of Time and Annealing. - Tereshina, I.; Kudrevatykh, N.; Ivanov, L.; Politova, G.; Tereshina, E.; Gorbunov, D.; Doerr, M.; Rogacki, K. (Journal of Materials Engineering & Performance, 2017)