Gray, Peter M D. <br/><br/>
Logic, algebra and databases /  
Peter M D Gray. 
 - New Delhi :   Affiliated East-West Press ,   1984. 
 - 294p. :   ills,tables ;   23cm .  
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<br/><br/><label>ISBN: </label>8185095825  Rs. 99.00 
<br/><br/><label>Subjects--Index Terms: </label>ALGEBRAIC LOGIC DATA BASES 
<br/><br/><label>Dewey Class. No.: </label>005.131  / GRA/L