Polyphase

Polyphase electric currents and alternate-current motors

by Silvanus P. Thompson.

Polyphase currents

by Alfred Still.

Transmission of power: polyphase system : Tesla patents.

Nikola Tesla

Symmetrical components, as applied to the analysis of unbalanced electrical circuits

by C.F. Wagner and R.D. Evans ; with an introduction by C.L. Fortescue.

Modern polyphase machinery

by Andrew Stewart ...

Standard polyphase apparatus and systems

by Maurice A. Oudin.

Multiphase alternating current transmission ...

H. T. Cory

Polyphased alternating currents.

Édouard Hospitalier

Master equations and tables for symmetrical component fault studies

[by] S. Austen Stigant.

Die einfachen und mehrphasigen elektrischen Wechselströme, beziehungsweise: Der Drehstrom: seine Erzeugung und Anwendung in der Praxis

gemeinfasslich dargestellt von Josef Krämer.