h a typical application. As to the theoretical background,
   we will essentially give pointers to the literature.
</P><P>
<H3>Note:</H3>
<P>A version of this document has appeared as a journal article
<blockquote> 
[<font color=red>CHAOS <b>9</b>, 413-435 (1999)</font>]
</blockquote>
which now constitutes the correct reference
to this work.
Preprint <a href="http://xxx.lanl.gov/abs/chao-dyn/9810005">paper versions</a> 
are also available.
</P><P>
<H3>Note:</H3>
Extensions to the package made after version 