<?xml version="1.0"?>
<dblp>
<article key="journals/tcs/Penjam90" mdate="2011-09-07">
<author>Jaan Penjam</author>
<title>Computational and Attribute Models of Formal Languages.</title>
<pages>241-264</pages>
<year>1990</year>
<volume>71</volume>
<journal>Theor. Comput. Sci.</journal>
<number>2</number>
<url>db/journals/tcs/tcs71.html#Penjam90</url>
<ee>http://dx.doi.org/10.1016/0304-3975(90)90200-2</ee>
</article>
</dblp>
