@("http://tocl.acm.org/accepted/335guidi.pdf" "accepted") +
"<span class=\"emph delta\">2008-07</span>)." +
"CoRR identifier" +
@("http://arxiv.org/abs/cs/0611040" "cs/0611040") +
"[v10] (revised" +
"<span class=\"emph delta\">2008-09</span>)." +
@("http://tocl.acm.org/accepted/335guidi.pdf" "accepted") +
"<span class=\"emph delta\">2008-07</span>)." +
"CoRR identifier" +
@("http://arxiv.org/abs/cs/0611040" "cs/0611040") +
"[v10] (revised" +
"<span class=\"emph delta\">2008-09</span>)." +