ACM - SIGMOD 1981 International Conference on Management of Data :  April 29 - May 1, the University of Michigan, Ann Arbor, Michigan / 
edited by Y. Edmund Lien 
 - New York :  ACM,  1981 
 - 230 p. 
<br/><br/> Papers presented at the 1981 ACM - Sigmod International Conference on Management of Data. Sponsored by the Special Interest Group for Management of Data of the Association for Computing Machinery 
<br/><br/><label>ISBN: </label>0897910400 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data base management--Congresses
<br/><br/><label>LC Class. No.: </label>QA76.9 D3  / A3 1981