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    <span class="person"><a href="https://pure.iiasa.ac.at/view/iiasa/1136.html">Ayres, R.U.</a></span>
  

<span xmlns="http://eprints.org/ep3/control" class="date">(2007).</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=8157"><xhtml:em xmlns:xhtml="http://www.w3.org/1999/xhtml">On the practical limits to substitution.</xhtml:em></a></span>
  


    <span xmlns="http://eprints.org/ep3/control" class="publication"><span style="font-style: italic">Ecological Economics</span> 61 (1) 115-126. <a href="https://doi.org/10.1016/j.ecolecon.2006.02.011" target="_blank">10.1016/j.ecolecon.2006.02.011</a>.</span>

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