| 000 | 00000nam 2200000za 4500 |
| 001 | 9.644966 |
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| 003 | CaOODSP |
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| 005 | 20230918151937 |
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| 007 | ta |
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| 008 | 150407|1990||||xxc||||| f|0| 0 eng d |
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| 020 | |a0-662-18155-7 |
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| 040 | |aCaOODSP|beng |
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| 043 | |an-cn--- |
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| 086 | 1 |aEn40-394/1990E |
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| 110 | 1 |aCanada.|bEnvironment Canada. |bEnvironmental Protection. |
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| 245 | 10|aClean waters: toward a healthy Great Lakes-St. Lawrence ecosystem |
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| 260 | |aToronto - Ontario : |bEnvironment Canada. |c1990. |
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| 300 | |a23p. : |bgraphs, illus., references ; |c28 cm. |
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| 563 | |aSoftcover |
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| 775 | 08|tDes eaux pures: vers l'assainissement de l'écosystème des Grands Lacs et du Saint-Laurent |w(CaOODSP)9.678751 |
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| 776 | 0#|tClean waters : |w(CaOODSP)9.927437 |
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