**[http://www.nrscstandards.org/ The National Radio Systems Committee (NRSC)]
**[http://www.toledoblade.com/apps/pbcs.dll/article?AID=/20030530/NEWS08/105300118 Toledoblade.com: May 30, 2003, High-Definition radio, Digital demonstration receives poor reviews, could delay transition]
**[http://www.eurekalert.org/pub_releases/2003-05/ns-arr052803.php 28-May-2003, America's radio revolution stalls] Citat: "...Amherst says eight years of broadcasts and booming sales of digital radios in the UK have proven Eureka's sound quality to be good, largely free of interference and "superior" to IBOC...."
