<?xml version="1.0"?>
<dblp>
<article key="journals/jct/GraafS97" mdate="2006-01-31">
<author>Maurits de Graaf</author>
<author>Alexander Schrijver</author>
<title>Making Curves Minimally Crossing by Reidemeister Moves.</title>
<pages>134-156</pages>
<year>1997</year>
<volume>70</volume>
<journal>J. Comb. Theory, Ser. B</journal>
<number>1</number>
<ee>http://dx.doi.org/10.1006/jctb.1997.1754</ee>
<url>db/journals/jct/jctb70.html#GraafS97</url>
</article>
</dblp>
