• DOI https://doi.org/10.18177/sym.2017.57.fr.11357
  • PDF https://www.jstor.org/stable/26574457

  • DOI https://doi.org/10.18177/sym.2017.57.itm.11351
  • PDF https://www.jstor.org/stable/26574464

  • DOI https://doi.org/10.18177/sym.2017.57.vlplr.11348

  • DOI http://doi.org/10.18177/sym.2017.57.itm.11346
  • PDF https://www.jstor.org/stable/26574460