Similar title to 


    <span class="person"><a href="https://pure.iiasa.ac.at/view/iiasa/282.html">Sigmund, K.</a></span> &amp; <span class="person"><a href="https://pure.iiasa.ac.at/view/iiasa/1481.html">Nowak, M.A.</a></span>
  

<span xmlns="http://eprints.org/ep3/control" class="date">(2000).</span>


    <span xmlns="http://eprints.org/ep3/control" class="title"><a href="https://pure.iiasa.ac.at/cgi/users/home?screen=EPrint::View&amp;eprintid=5976"><xhtml:em xmlns:xhtml="http://www.w3.org/1999/xhtml">A tale of two selves.</xhtml:em></a></span>
  


    <span xmlns="http://eprints.org/ep3/control" class="publication"><span style="font-style: italic">Science</span> 290 (5493) 949-950. <a href="https://doi.org/10.1126/science.290.5493.949" target="_blank">10.1126/science.290.5493.949</a>.</span>

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