Burger, Ralf <br/><br/>computer viruses and data protection Ralf Burger.  -- Grand Rapids, MI  Abacus,  1991 <br/>xii, 353 p.  22 cm. <br/><br/> Includes index. <br/><br/><label>ISBN: </label>1557551235 <br/><br/><label>Subjects--Topical Terms: </label><br/>Computer viruses.<br/><br/><label>Dewey Class. No.: </label>GC 005.84 B911 1991