<?xml version="1.0" encoding="UTF-8"?>
<references>
<reference>
  <a1>Gracia-Lazaro, C.</a1>
  <a2>Ferrer, A.</a2>
  <a2>Ruiz, G.</a2>
  <a2>Tarancon, A.</a2>
  <a2>Cuesta, J.A.</a2>
  <a2>Sanchez, A.</a2>
  <a2>Moreno, Y.</a2>
  <t1>Heterogeneous networks do not promote cooperation when humans play a prisoner's dilemma</t1>
  <t2>Proc. Natl. Acad. Sci.</t2>
  <sn/>
  <op/>
  <vo/>
  <ab/>
  <la>eng</la>
  <k1/>
  <pb/>
  <pp/>
  <yr>2012</yr>
  <ed/>
  <ul>http://zaguan.unizar.es/record/60884/files/texto_completo.pdf;
	http://zaguan.unizar.es/record/60884/files/texto_completo.jpg?subformat=icon;
	</ul>
  <no>Imported from Invenio.</no>
</reference>

</references>