@article {Valtchev2009,
	title = {Conventional and HTS disc motor with pole variation control},
	journal = {POWERENG 2009 - 2nd International Conference on Power Engineering, Energy and Electrical Drives Proceedings},
	year = {2009},
	note = {n/a},
	pages = {513-518},
	abstract = {n/a},
	author = {D In{\'a}cio and S In{\'a}cio and J. Pina and S Valtchev and M V Neves and Martins, J.F.A. and A L Rodrigues}
}
