Thomas Eiter, Leonid Libkin <br/><br/>
Database Theory - ICDT 2005 

 - Germany  Springer  2005 
<br/><br/><label>ISBN: </label>978-3-540-30570-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science<br/>Database Theory - ICDT 2005