Leiss, Ernest L., 1952- <br/><br/>
Software under siege  viruses and worms 
E. L. Leiss 
 - Oxford  Elsevier Advanced Technology  1990 
 - 132 p. : ill. ; 23 cm. 
<br/><br/><label>ISBN: </label>0946395586 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer viruses