Koichi Yamazaki Hans L. Bodlaender Babette de Fluiter Dimitrios M. Thilikos Isomorphism for Graphs of Bounded Distance Width. 276-287 1997 conf/ciac/1997 CIAC db/conf/ciac/ciac1997.html#YamazakiBFT97 http://dx.doi.org/10.1007/3-540-62592-5_79