Direct liquid cooling in low-power electrical machines : proof-of-conceptLindh, Pia; Petrov, Ilya; Semken, R. Scott; Vaimann, Toomas; Kallaste, AntsIEEE transactions on energy conversion2016 / p. 1257-1266 : ill https://doi.org/10.1109/TEC.2016.2597059 Influence of slot wedge material on permanent magnet losses in a traction motor with tooth coil windingsLindh, Pia; Vaimann, Toomas; Kallaste, Ants; Pyrhönen, Juha; Vinnikov, Dmitri; Naumanen, VilleInternational journal of applied electromagnetics and mechanics2013 / p. 227-236 : ill Influence of wedge material on losses of a traction motor with tooth-coil windingsLindh, Pia; Pyrhönen, Juha; Ponomarev, P.; Vinnikov, DmitriProceedings IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society : Austria Center Vienna, Vienna, Austria, 10-14 November, 20132013 / p. 2941-2946 : ill