<a name="11"> <a name="Zayas87"> [Zayas87] Edward R Zayas, "Administrative Cells: Proposal for Cooperative Andrew File Systems", Information Technology Center internal document, Carnegie-Mellon University, 25th June 1987 </a></a>
-<a name="12"> <a name="Zayas88"> [Zayas88] Ed Zayas, Craig Everhart, "Design and Specification of the Cellular Andrew Environment", Information Technology Center, Carnegie-Mellon University, CMU-ITC-070, 2 August 1988 </a></a>
+<a name="12"> <a name="Zayas88"> [Zayas88] Ed Zayas, Craig Everhart, "Design and Specification of the Cellular Andrew Environment", Information Technology Center, Carnegie-Mellon University, [CMU-ITC-070](http://reports-archive.adm.cs.cmu.edu/anon/itc/CMU-ITC-070.pdf), 2 August 1988 </a></a>
<a name="13"> <a name="Kazar88b"> [Kazar88b] Kazar, Michael L, Information Technology Center, Carnegie-Mellon University, "Ubik - A library for Managing Ubiquitous Data", ITCID, Pittsburgh, PA, 1988 </a></a>