<OL>

<LI> <A NAME="marengoni:wacv96">
<A HREF="ftp://vis-ftp.cs.umass.edu/Papers/marengoni/wacv96.ps.gz"><B>{Placing
  Observers to Cover a Polyhedral Terrain in Polynomial Time}</B></A>.<BR>
M.~Marengoni, B.~Draper, A.~Hanson, and R.~Sitaraman.<BR>
In <I>WACV</I>. Sarasota, Florida, 1996.<BR><BR>

</OL>
