De Donato Giulio, Giulii Capponi Fabio, Antonio Rivellini Giovanni, Caricchi Federico,
Sep-Oct 2012, Integral-Slot Versus Fractional- Slot Concentrated-Winding Axial-Flux
Permanent-Magnet Machines: Comparative Design, FEA, and Experimental Tests, IEEE Transactions
on Industry Applications, Vol. 48, No. 5, pp. 1487-1495
