https://catalogue-scientifique.canada.ca/record=3931140~S6*frc
Rechercher Rocchini, R.J; Rechercher Arber, J.C; Rechercher Feddes, J.J; Rechercher Gregory, L; Rechercher Nordin, R; Rechercher Olan, J; Rechercher Parsons, D.C; Rechercher Pommen, L.W
Department of Environment, Water Resources Service, 1976
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