Bang Liu Xuan Zeng Yangfeng Su Jun Tao Zhaojun Bai Charles Chiang Dian Zhou Block SAPOR: block Second-order Arnoldi method for Passive Order Reduction of multi-input multi-output RCS interconnect circuits. 244-249 2005 conf/aspdac/2005 ASP-DAC http://doi.acm.org/10.1145/1120725.1120815 db/conf/aspdac/aspdac2005.html#LiuZSTBCZ05