BIBLIOTECA * * *

- http://es.scribd.com/doc/24038440/Cathy-Berberian-La-mujer-de-las-mil-y-una-voces
- http://www.sonoscop.net/sonoscop/miliunaveus/Txt-Miliunaveus.pdf
- http://etd.lib.ttu.edu/theses/available/etd-07312008-31295017968800/unrestricted/31295017968800.pdf
- http://www.facebook.com/pages/Vocal-extended-technique/103234273063559
- http://es.zettapedia.com/t%C3%A9cnica-vocal-extendida.htm
- http://inesmr.blogspot.com/2011/04/tecnica-vocal-extendida.html
- http://translate.google.es/translate?-hl=es&sl=en&u=http://en.wikipedia.org/wiki/Extended_techniques&ei=KJmuTsDBFoT1-gaJh8XRDw&sa=X&oi=translate&ct=result&resnum=1&ved=0CB4Q7gEwAA&prev=/search%3Fq%3DExtended%2Btechniques%26hl%3Des%26biw%3D1366%26bih%3D611%26prmd%3Dimvns