https://catalogue-scientifique.canada.ca/record=1384841~S6*frc
Rechercher Trew, D. O; Rechercher Beliveau, David J; Rechercher Yonge, E. I; Rechercher Trew, David O; Rechercher Yonge, Eva I
Water Quality Control Branch, Pollution Control Division, Environmental Protection Services, Alberta Environment, 1987
Publication gouvernementale