http://christinadalcher.wordpress.com/research/ (Any fulltext)
http://christinadalcher.files.wordpress.com/2012/07/gt-diss-final.pdf (Any fulltext)
Villafaña Dalcher, C. (2006). Consonant weakening in Florentine Italian: an acoustic study of gradient and variable sound changes. PhD Thesis, Georgetown Univ., Washington, D.C.