• DOI http://dx.doi.org/10.18177/sym.2013.53.fr.9699
  • PDF https://www.jstor.org/stable/26564929

  • DOI http://dx.doi.org/10.18177/sym.2013.53.rev.9698
  • PDF https://www.jstor.org/stable/26564923

  • DOI http://dx.doi.org/10.18177/sym.2013.53.sr.9574
  • PDF https://www.jstor.org/stable/26564911

  • DOI http://dx.doi.org/10.18177/sym.2013.53.sr.9577
  • PDF https://www.jstor.org/stable/26564913

  • DOI http://dx.doi.org/10.18177/sym.2013.53.rev.9442
  • PDF https://www.jstor.org/stable/26564922