@article{Acheroy:90,
      author        = "C. Acheroy",
      title         = "{Echos du COTAÉchos du COTA. Bulletin trimestriel
                       d'information du COTA ASBL (Echoes of COTA. Quarterly
                       newsletter of COTA ASBL); 41518}",
      year          = "2013",
}