Michal Ziv-Ukelson Irit Gat-Viks Ydo Wexler Ron Shamir A Faster Algorithm for RNA Co-folding. 174-185 2008 WABI http://dx.doi.org/10.1007/978-3-540-87361-7_15 conf/wabi/2008 db/conf/wabi/wabi2008.html#Ziv-UkelsonGWS08