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 <prolog>
  <its:span withinText="no">Designing User Interfaces</its:span>
  <its:span withinText="no">Janice Prakash</its:span>
  <its:span withinText="no">user interface, ui, software interface</its:span>
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  <p>The book <its:span withinText="yes">Of Mice and Screens</its:span> by <its:span withinText="yes">Aldus 
     Brandywine</its:span> is one of the best introductions to the vast topic of designing user interfaces.</p>
 </body>
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