• DOI http://dx.doi.org/10.18177/sym.2014.54.fr.10672
  • PDF https://www.jstor.org/stable/26574387

  • DOI http://dx.doi.org/10.18177/sym.2014.54.sr.10628

  • DOI http://dx.doi.org/10.18177/sym.2014.54.fr.10669

  • DOI http://dx.doi.org/10.18177/sym.2014.54.fr.10642
  • PDF https://www.jstor.org/stable/26574391

  • DOI http://dx.doi.org/10.18177/sym.2014.54.sr.10553