https://catalogue-scientifique.canada.ca/record=3629757~S6*frc
Rechercher Matheson, R. A. F; Rechercher Lord, D. A; Rechercher Wells, P. G; Rechercher Travers, I. C
Contaminants and Hazardous Wastes Division, Contaminants and Assessments Branch, Environmental Protection Service, 1979
Publication gouvernementale