Defending secrets, sharing data :  new locks and keys for electronic information. 

 - Washington, DC :  Congress of the U.S., Office of Technology Assessment :  For sale by the Supt. of Docs., U.S. G.P.O.,  [1987] 
 - vi, 187 p. :  ill. ;  26 cm. 
<br/><br/> Shipping list no.: 87-646-P.  "Second component of OTA's assessment of new communications technologies. The first component, The Electronic supervisor: new technologies, new tensions, was published in September 1987"--Foreword.  "October 1987"--P. [4] of cover.  "OTA-CIT-310"--P. [4] of cover.  S/N 052-003-01083-6  Item 1070-M 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label> $8.50 
<br/><br/><label>LCCN: </label>87619856  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security--United States.<br/>Data protection--United States.<br/>Electronic data processing departments--Security measures.
<br/><br/><label>Dewey Class. No.: </label>005.8  / CUS 
<br/><br/><label>Gov. Doc. Class. No.: </label>Y 3.T 22/2: D 36