--- /dev/null
+<?xml version="1.0"?>
+
+<!DOCTYPE publication SYSTEM "publication.dtd">
+
+<publication>
+ <title>Logical Frameworks</title>
+ <author>
+ <name>G.</name>
+ <surname>Huet</surname>
+ </author>
+ <author>
+ <name>G.</name>
+ <surname>Plotkin</surname>
+ </author>
+ <where>Cambridge University Press, 1991</where>
+</publication>
\ No newline at end of file