"Soergel, Dagobert" <br/><br/>
A Organizing Information: Principles of Date Base and Retrival Systems 

 - \\201000ENGGPSX 
 - India Sheel   2010  Noida  
 - 450 p. 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label>9.79E+12