+ <li>"The Art of UNIX Programming" by Eric S. Raymond</li>
+
+ <li>"Mapping Hacks" by Schuyler Erle, Rich Gibson, Jo
+ Walsh</li>
+
+ <li>"<a href="http://eu.wiley.com/WileyCDA/WileyTitle/productCd-0470871539.html">Geography
+ Mark-Up Language: Foundation for the Geo-Web</a> by Ron
+ Lake, David Burggraf, Milan Trninic, Laurie Rae
+ (<a href="http://glass.ipe.tsukuba.ac.jp/~s011304/cgi/nph-proxy.cgi/010100A/http/xml.coverpages.org/ni2004-03-26-a.html#GML-TheBook">review</a>)</li>