<corpauthor>National Radio Systems Committee
(<ulink url="http://www.nrscstandards.org">http://www.nrscstandards.org</ulink>)</corpauthor>
</authorgroup>
- <title>NTSC-4: United States RBDS Standard</title>
+ <title>NRSC-4: United States RBDS Standard</title>
</biblioentry>
<biblioentry id="iso12232">