Masayuki Miyazaki Hidetoshi Tanaka Goichi Ono Tomohiro Nagano Norio Ohkubo Takayuki Kawahara Kazuo Yano Electric-energy generation using variable-capacitive resonator for power-free LSI: efficiency analysis and fundamental experiment. 193-198 2003 conf/islped/2003 ISLPED http://doi.acm.org/10.1145/871506.871555 db/conf/islped/islped2003.html#MiyazakiTONOKY03