• DOI http://dx.doi.org/10.18177/sym.2014.54.rpt.10674
  • PDF https://www.jstor.org/stable/26574374

  • DOI http://dx.doi.org/10.18177/sym.2014.54.rpt.10673
  • PDF https://www.jstor.org/stable/26574375

  • DOI http://dx.doi.org/10.18177/sym.2014.54.fr.10672
  • PDF https://www.jstor.org/stable/26574387

  • DOI http://dx.doi.org/10.18177/sym.2014.54.sr.10629
  • PDF https://www.jstor.org/stable/26574366

  • DOI http://dx.doi.org/10.18177/sym.2014.54.rev.10671
  • PDF https://www.jstor.org/stable/26574380