Directory of portable databases. 

 - New York :    Cuadra/Elsevier. 
 - v.    28 cm. 
<br/><br/><label>ISBN: </label>0444015221 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Databases -- Dircories
<br/><br/><label>Dewey Class. No.: </label>025.04025