Computer security and data encryption standard computer science and technology / 
edited by Dennis K. Branstad 
 - Washington :  U.S. Government Printing Office,  1978 
 - 125 p. ;  28 cm. 
<br/><br/> Natoinal bureau of standards 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks--Security measures<br/>Computer security
<br/><br/><label>Dewey Class. No.: </label>005.8