https://catalogue-scientifique.canada.ca/record=3716283~S6*frc
Rechercher Canada. Pulp and Paper Pollution Abatement; Rechercher British Columbia Research Council; Rechercher Cooperative Pollution Abatement Research Program (Canada); Rechercher Canadian Forestry Service. Cpar Secretariat
CPAR Secretariat, Canadian Forestry Service, Dept. of the Environment, 1974
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