<?xml version="1.0"?>
<dblp>
<article key="journals/entcs/NicolaL98" mdate="2004-07-28">
<author>Rocco De Nicola</author>
<author>Anna Labella</author>
<title>Tree Morphisms and Bisimulations.</title>
<year>1998</year>
<volume>18</volume>
<journal>Electr. Notes Theor. Comput. Sci.</journal>
<ee>http://www.elsevier.com/gej-ng/31/29/23/42/23/show/Products/notes/index.htt#005</ee>
<url>db/journals/entcs/entcs18.html#NicolaL98</url>
</article>
</dblp>
