Offringa, L. J. J. (1991). Electronic power converter for a flywheel unit with a synchronous electrical permanent magnet machine. Technická univerzita.
Chicago Style (17th ed.) CitationOffringa, Lodewijk Jacob Jan. Electronic Power Converter for a Flywheel Unit with a Synchronous Electrical Permanent Magnet Machine. Delft: Technická univerzita, 1991.
MLA (9th ed.) CitationOffringa, Lodewijk Jacob Jan. Electronic Power Converter for a Flywheel Unit with a Synchronous Electrical Permanent Magnet Machine. Technická univerzita, 1991.
Warning: These citations may not always be 100% accurate.