Approximate antenna analysis for CAD by Visser, Hubregt J.

Available for University of the Philippines Diliman College of Engineering via IEEE Xplore. Click here to access
Also available remotely for University of the Philippines Diliman College of Engineering via IEEE Xplore. Click here to access thru EZproxy

Approximate antenna analysis for CAD by Visser, Hubregt J.

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

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