Approximate antenna analysis for CAD por Visser, Hubregt J.

Available for University of the Philippines Diliman College of Engineering via IEEE Xplore. Click here to access
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Approximate antenna analysis for CAD por Visser, Hubregt J.

Fundamentals of electromagnetic fields a computer approach por Anwane, S. W.

Torque calculation method of a permanent magnet spherical motor. por Hyung-Woo Lee