Oren Kapah Gad M. Landau Avivit Levy Nitsan Oz Interchange Rearrangement: The Element-Cost Model. 224-235 2008 SPIRE http://dx.doi.org/10.1007/978-3-540-89097-3_22 conf/spire/2008 db/conf/spire/spire2008.html#KapahLLO08