• DOI http://dx.doi.org/10.18177/sym.2016.56.sr.11129
  • PDF https://www.jstor.org/stable/26574424

  • DOI http://dx.doi.org/10.18177/sym.2016.56.mbi.11131

  • DOI http://dx.doi.org/10.18177/sym.2016.56.sr.11130
  • PDF https://www.jstor.org/stable/26574428

  • DOI http://dx.doi.org/10.18177/sym.2016.56.sr.11126
  • PDF https://www.jstor.org/stable/26574430

  • DOI http://dx.doi.org/10.18177/sym.2016.56.sr.11128
  • PDF https://www.jstor.org/stable/26574422