• DOI http://dx.doi.org/10.18177/sym.2014.54.rpt.10679
  • PDF https://www.jstor.org/stable/26574368

  • DOI http://dx.doi.org/10.18177/sym.2014.54.rpt.10688
  • PDF https://www.jstor.org/stable/26574369

  • DOI http://dx.doi.org/10.18177/sym.2014.54.rpt.10680
  • PDF https://www.jstor.org/stable/26574376

  • DOI http://dx.doi.org/10.18177/sym.2014.54.rpt.10678
  • PDF https://www.jstor.org/stable/26574373

  • DOI http://dx.doi.org/10.18177/sym.2014.54.rpt.10677
  • PDF https://www.jstor.org/stable/26574371
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