Gray, Peter M.D. <br/><br/>
Logic, algebra and databases 

 - Delhi  Affiliated East-West Press  1988 
 - 294p, 22cm 
 - East-West Press texts in computer science .
<br/><br/><label>ISBN: </label>8185095825 
<br/><br/><label>Dewey Class. No.: </label>005.74,  / D, GRA