<?xml version="1.0"?>
<dblp>
<article key="journals/arscom/LiT06" mdate="2008-11-28">
<author>Pak Ching Li</author>
<author>Michel Toulouse</author>
<title>Some NP-Completeness Results on Partial Steiner Triple Systems and Parallel Classes.</title>
<year>2006</year>
<volume>80</volume>
<journal>Ars Comb.</journal>
<url>db/journals/arscom/arscom80.html#LiT06</url>
</article>
</dblp>
