href="ackn.html"><img src="nextsec.gif" border=0 alt="next section"></a>
<a href="paper.html#index"><img src="index.gif" border=0 alt="paper index"></a>
<a href="comment_form.html"><img src="comments.gif" border=0 alt="comments?"></a><br>
<a href="../hole_d00.html#contents"><img src="../buttons/button_hole_doc_index.gif" border=0 alt=" Hole Doc. Index^ "></a>
</center>
<p>
<i><a href="http://www.cryst.bbk.ac.uk/~ubcg8ab/smart.html">Oliver S. Smart</a></i>
 (last modified 20/12/96)
</body>
</html>
