Security for small computer systems : a practical guide for users /  [Books]. 
Tricia Saddington 
 - Oxford :  Elsevier Advanced Technology Publications ;  ©1988. 
 - vii, 85 pages :   illustrations ;   21cm. 
<br/><br/><label>ISBN: </label>0946395357 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers--Access control