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      <marc:subfield code="a">Schertzer, William M., </marc:subfield>
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      <marc:subfield code="a">Comparison of actual and simulated water quality responses to phosphorus loading scenarios in Lake Ontario and Lake Erie / </marc:subfield>
      <marc:subfield code="c">by W.M. Schertzer and R. Stevens.</marc:subfield>
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      <marc:subfield code="a">"Water quality models developed at the Canada Centre for Inland Waters are used to simulate the effect of various phosphorus loading scenarios in Lake Ontario and Lake Erie. Simulation results are compared to actual conditions resulting from the institution of phosphorus remedial measures"--Abstract.</marc:subfield>
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      <marc:subfield code="a">National Water Research Institute (Canada)</marc:subfield>
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