• DOI http://dx.doi.org/10.18177/sym.2016.56.fr.11124
  • PDF https://www.jstor.org/stable/26574452

  • DOI http://dx.doi.org/10.18177/sym.2015.55.fr.10885
  • PDF https://www.jstor.org/stable/26574416

  • DOI http://dx.doi.org/10.18177/sym.2015.55.itm.10861
  • PDF https://www.jstor.org/stable/26574400

  • DOI http://dx.doi.org/10.18177/sym.2014.54.mbi.10532
  • PDF https://www.jstor.org/stable/26574361

  • DOI http://dx.doi.org/10.18177/sym.2013.53.sr.10308
  • PDF https://www.jstor.org/stable/26564917