Per-unit systms with special reference to electrical machines /

por Lawrenson, P. J., Lawrenson, P. J., Harris, Martyn Rutherford 1936-, Stephenson, Hohn Michael
Publicado 1970

Analysis and computation of electric and magnetic field problems /

por Binns, Kenneth John, Binns, Kenneth John, Lawrenson, P. J.
Publicado 1973