Maier, David. <br/><br/>
The theory relational databases / 
by David Maier. 
 - Rockville, Md. :  Computer Science Press,  1983. 
 - xv, 637 p. 
<br/><br/><label>ISBN: </label>0914894420 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science.<br/>Database management.