Here is one paper they wrote: https://www.pearl-hifi.com/06_Lit_Archive/02_PEARL_Arch/Vol_16/Sec_53/AES%20109/00081.pdf https://www.pearl-hifi.com/06_Lit_Archiv

Here is one paper they wrote: https://www.pearl-hifi.com/06_Lit_Archive/02_PEARL_Arch/Vol_16/Sec_53/AES%20109/00081.pdf https://www.pearl-hifi.com/06_Lit_Archive/02_PEARL_Arch/Vol_... And an article in the Economist: https://archive.ph/iHuGO https://archive.ph/iHuGO