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

 -  Chickester : Ellis Horwood  1984 
 - 294 p. 
<br/><br/><label>ISBN: </label>0000853127093 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Database management systems : programming languages
<br/><br/><label>Dewey Class. No.: </label>005.74  / G61