@misc{James_Henry_Duvall._Controllers,
 author={James, Henry Duvall. and Markle, Lewis Edwin.},
 howpublished={online},
 publisher={McGraw-Hill Book Company, Inc.},
 language={eng},
 type={książka},
 type={dokument piśmienniczy},
 title={Controllers for electric motors: A treatise on the modern motor controller with typical applications to the industries},
}