Ullman, Jeffrey D.,  1942- <br/><br/>
Principles of database systems 
Jeffrey D. Ullman 
 - 2nd ed. 
 - Rockville, Md  Computer Science Press  [1983] c1982 
 - vii, 484 p.  ill  24 cm. 
 - Computer software engineering series .
<br/><br/><label>ISBN: </label>0914894363 0273085948 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Database management
<br/><br/><label>Dewey Class. No.: </label>001.64 U41