Eddie Cheng Shuhong Gao Ke Qiu Zhizhang Shen On Disjoint Shortest Paths Routing on the Hypercube. 375-383 2009 COCOA http://dx.doi.org/10.1007/978-3-642-02026-1_35 conf/cocoa/2009 db/conf/cocoa/cocoa2009.html#ChengGQS09