Entity-relationship approach to information modeling and analysis :  proceedings of the Second International Conference on Entity-Relationship Approach, Washington, D.C., October 12-14, 1981 / 
edited by Peter P. Chen 
 - Amsterdam :  North-Holland,  1983 
 - 602 p.:  ill.;  23 cm. 
<br/><br/><label>LCCN: </label>83-014121 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data base management--Congresses<br/>Information storage and retrieval systems--Congresses