<h1 id="ref-196">REF-196</h1>
<ul>
<li>Title: The Protection of Information in Computer Systems</li>
<li>Author: ['Jerome H. Saltzer', 'Michael D. Schroeder']</li>
<li>Time: 197509</li>
<li>URL: http://web.mit.edu/Saltzer/www/publications/protection/</li>
</ul>