<?xml version="1.0"?>
<dblp>
<article key="journals/tse/Nicholl90" mdate="2011-11-07">
<author>Robin A. Nicholl</author>
<title>Unreachable States in Model-Oriented Specifications.</title>
<pages>472-477</pages>
<ee>http://doi.ieeecomputersociety.org/10.1109/32.54300</ee>
<year>1990</year>
<volume>16</volume>
<journal>IEEE Trans. Software Eng.</journal>
<number>4</number>
<url>db/journals/tse/tse16.html#Nicholl90</url>
</article>
</dblp>
