Merrett, T. H. <br/><br/>
Relational information systems / 
T.H. Merrett. 
 - Reston, Va. :  Reston Pub. Co.,  c1984. 
 - xvii, 507 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 455-473. 
<br/><br/><label>ISBN: </label>0835966429 :  $22.95 
<br/><br/><label>LCCN: </label>82025036  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Relational databases.
<br/><br/><label>LC Class. No.: </label>QA76.9.D3  / M45 1984 
<br/><br/><label>Dewey Class. No.: </label>001.64