• DOI http://dx.doi.org/10.18177/sym.2014.54.sr.10551

  • DOI http://dx.doi.org/10.18177/sym.2014.54.fr.10548
  • PDF https://www.jstor.org/stable/26574389

  • DOI http://dx.doi.org/10.18177/sym.2014.54.fr.10535
  • PDF https://www.jstor.org/stable/26574385

  • DOI http://dx.doi.org/10.18177/sym.2014.54.rev.10536

  • DOI http://dx.doi.org/10.18177/sym.2014.54.fr.10536
  • PDF https://www.jstor.org/stable/26574390