Query Result

<?xml version="1.0" encoding="UTF-8"?>
<bib>
   <book>
      <title>TCP/IP Illustrated</title>
      <author>
         <last>Stevens</last>
         <first>W.</first>
      </author>
   </book>
   <book>
      <title>Advanced Programming in the Unix Environment</title>
      <author>
         <last>Stevens</last>
         <first>W.</first>
      </author>
   </book>
   <book>
      <title>Data on the Web</title>
      <author>
         <last>Abiteboul</last>
         <first>Serge</first>
      </author>
      <author>
         <last>Buneman</last>
         <first>Peter</first>
      </author>
      <author>
         <last>Suciu</last>
         <first>Dan</first>
      </author>
   </book>
   <reference>
      <title>The Economics of Technology and Content for Digital TV</title>
      <org>CITI</org>
   </reference>
</bib>

Adapted from XML Query Use Cases