. . "Publications officielles" . . . . . . . . . . . . . . . . . . . "The British Columbia lake fertilization program : the first 2 years of nutrient enrichment"@en . . . . "The British Columbia Lake Fertilization Program : Limnological results from the first two years of nutrient enrichment" . . . . . . "The British Columbia lake fertilization program : limnological results from the first 2 years of nutrient enrichment" . "The British Columbia lake fertilization program : limnological results from the first 2 years of nutrient enrichment"@en . . . "The british columbia lake fertilization program - limnological results from the first 2 years of nutrient enrichment" . . . .