<?xml version='1.0'?>

<reference anchor='RFC0157'>

<front>
<title>Invitation to the Second Symposium on Problems in the Optimization of Data Communications Systems</title>
<author initials='V.G.' surname='Cerf' fullname='V.G. Cerf'>
<organization /></author>
<date month='May' day='12' year='1971' /></front>

<seriesInfo name='RFC' value='157' />
<format type='TXT' octets='3159' target='ftp://ftp.isi.edu/in-notes/rfc157.txt' />
</reference>
