Sift files: <br>
<br>
        <a href="siftppt.ppt">
        siftppt.ppt </a><br>
<br>
        <a href="siftsummary.doc">
        siftsummary.doc </a><br>
<br>
        <a href="siftpaper1.pdf">
        siftpaper1.pdf </a><br>


<br>

<br>
<br>

</blockquote>
<hr>