<?xml version='1.0'?>

<reference anchor='RFC0604'>

<front>
<title>Assigned link numbers</title>
<author initials='J.' surname='Postel' fullname='Jon Postel'>
<organization>The MITRE Corporation</organization></author>
<date month='December' day='26' year='1973' /></front>

<seriesInfo name='RFC' value='604' />
</reference>
