Proceedings of the 1989 ACM SIGMOD International Conference on the Management of Data, Portland, Oregon / 
Also known as:  SIGMOD '89 
edited by James Clifford, Bruce Lindsay and David Maier. 
 - New York, N.Y. :  Association for Computing Machinery,  c1989. 
 - xii, 451 p. :  ill. ;  28 cm. 
 - SIGMOD record ;  v. 18, no.  2 (June 1989). .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0897913175 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Database management--Congresses.