Motor Mode Analysis of Exterior-Rotor PM Machine with Gramme's WindingNukki,Rene; Kilk, Aleksander; Saarts, Samo; Tiimus, KristjanElektronika ir elektrotechnika = Electronics and electrical engineering2017 / p. 21-25 : ill http://dx.doi.org/10.5755/j01.eie.23.1.17579