Audrey Bürki Cécile Fougeron Christophe Veaux Ulrich H. Frauenfelder How similar are clusters resulting from schwa deletion in French to identical underlying clusters? 2271-2274 2009 INTERSPEECH https://doi.org/10.21437/Interspeech.2009-644 conf/interspeech/2009 db/conf/interspeech/interspeech2009.html#BurkiFVF09