<?xml version='1.0'?>

<reference anchor='RFC0666'>

<front>
<title>Specification of the Unified User-Level Protocol</title>
<author initials='M.A.' surname='Padlipsky' fullname='M.A. Padlipsky'>
<organization /></author>
<date month='November' day='26' year='1974' /></front>

<seriesInfo name='RFC' value='666' />
</reference>
