• 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.mbi.10681
  • PDF https://www.jstor.org/stable/26574365

  • 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