Duplicate title to 


    <a href="http://pure.iiasa.ac.at/view/iiasa/195.html"><span class="person_name">Marchetti, C.</span></a>
  

<span xmlns="http://eprints.org/ep3/control" class="date">(1980)</span>

<span xmlns="http://eprints.org/ep3/control" xmlns:cite="http://eprints.org/ep3/citation" xmlns:xhtml="http://www.w3.org/1999/xhtml" class="title"><a href="http://pure.iiasa.ac.at/cgi/users/home?screen=EPrint::View&amp;eprintid=13707"><xhtml:em>Society as a learning system: Discovery, invention, and innovation cycles revisited.</xhtml:em></a></span>


    <span xmlns="http://eprints.org/ep3/control" class="publication">Technological Forecasting and Social Change, 18 (4).
     pp. 267-282.</span>

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