Masayoshi Oda Yoshihiro Yamagami Yoshifumi Nishio Junji Kawata Akio Ushida A new Spice-oriented frequency-domain optimization technique. 2006 conf/iscas/2006 ISCAS http://dx.doi.org/10.1109/ISCAS.2006.1693429 db/conf/iscas/iscas2006.html#OdaYNKU06