Yoshihito Hashimoto Shinichi Yorozu Yoshio Kameda Akira Fujimaki Hirotaka Terai Nobuyuki Yoshikawa Development of Passive Interconnection Technology for SFQ Circuits. 198-207 2005 88-C IEICE Transactions 2 http://dx.doi.org/10.1093/ietele/E88-C.2.198 db/journals/ieicet/ieicet88c.html#HashimotoYKFTY05