The reference list must be double-spaced and placed at the end of the text. References must be listed in alphabetical order according to the name of the first author and not numbered. ###>Les references a des documents non ` ´ ´ assujettis a l'examen par les pairs (p. ex. les enonces ´ des incidences environnementales, rapports mandates) doi´ ^ vent inclure l'adresse de depot de ces documents.