Julien Allali Pascal Ferraro Pierre Hanna Costas S. Iliopoulos Local Transpositions in Alignment of Polyphonic Musical Sequences. 26-38 2007 conf/spire/2007 SPIRE http://dx.doi.org/10.1007/978-3-540-75530-2_3 db/conf/spire/spire2007.html#AllaliFHI07