Gray, Simon <br/><br/>
Logic algebra and databases 

 - New Delhi  Affiliated East-West Press  1988 
 - 294p. 
<br/><br/><label>ISBN: </label> RS 85.00 
<br/><br/><label>Source: </label> RS 85.00 
<br/><br/><label>Dewey Class. No.: </label>001.64 GRA