Shuhei Amakawa Takumi Uezono Takashi Sato Kenichi Okada Kazuya Masu Adaptable wire-length distribution with tunable occupation probability. 1-8 2007 conf/slip/2007 SLIP http://doi.acm.org/10.1145/1231956.1231958 db/conf/slip/slip2007.html#AmakawaUSOM07