Joshua Fineberg - Guia para os Conceitos Básicos e Técnicas da Música Espectral ( Contemporary Music Review ) 2000

 https://www.tandfonline.com/toc/gcmr20/19/2

https://drive.google.com/file/d/16tIWsLEx6C9uZkRFpya0qFnWgXXt6aVA/view?usp=sharing