Koichi Koibuchi Koichiro Sawa Takashi Honma Takumi Hayashi Kuniyoshi Ueda Hiroshi Sasaki Numerical Study on Electromagnetisms and Material Characteristics of Magnetic Flux Shield for Eddy-Current Type Proximity Sensor. 1497-1503 2007 90-C IEICE Transactions 7 http://dx.doi.org/10.1093/ietele/e90-c.7.1497 db/journals/ieicet/ieicet90c.html#KoibuchiSHHUS07