Urquhart, J.W. Electro - motors : a treatise on the means and apparatus employed in the transmission of electrical energy and its conversion into motive power : for th use of engineers and others / by J. W. Urquhart; J.W. Urquhart .— : Trubner & Co., 1882 .— 191 с. — Lang: eng .— URL: https://rucont.ru/efd/92649 (дата обращения: 16.07.2024)