• DOI https://doi.org/10.18177/sym.2016.56.sr.11233
  • PDF https://www.jstor.org/stable/26574427

  • DOI https://doi.org/10.18177/sym.2016.56.fr.11226
  • PDF https://www.jstor.org/stable/26574450

  • DOI https://doi.org/10.18177/sym.2016.56.sr.11225
  • PDF https://www.jstor.org/stable/26574426

  • DOI https://doi.org/10.18177/sym.2016.56.sr.11166
  • PDF https://www.jstor.org/stable/26574429

  • DOI https://doi.org/10.18177/sym.2016.56.itm.11152
  • PDF https://www.jstor.org/stable/26574431