TY - BOOK AU - "Kun Bai, Kok-Meng Lee" TI - Permanent Magnet Spherical Motors SN - 978-981-10-7962-7 PB - Springer KW - Engineering; Machinery and Machine Elements; Robotics and Automation; Control UR - http://link.springer.com/openurl?genre=book&isbn=978-981-10-7962-7 ER -