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| 01369cam 2200325zi 4500 |
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| 001 | 9.925216 |
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| 003 | CaOODSP |
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| 005 | 20241126151823 |
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| 006 | m o d f |
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| 007 | cr |n||||||||| |
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| 008 | 230719s1994 oncda ob f|0| 0 eng d |
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| 040 | |aCaOODSP|beng|erda|cCaOODSP |
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| 043 | |an-cn--- |
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| 086 | 1 |aEn4-551/1994E-PDF |
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| 245 | 00|aAir quality trends in Canadian cities : |b1979-1992. |
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| 264 | 1|a[Ottawa] : |bEnvironment Canada = Environment Canada, |c[1994] |
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| 300 | |a1 online resource (5 unnumbered pages) : |bcharts, illustrations |
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| 336 | |atext|btxt|2rdacontent |
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| 337 | |acomputer|bc|2rdamedia |
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| 338 | |aonline resource|bcr|2rdacarrier |
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| 500 | |aIssued also in French under title: Les tendances de la qualité de l'air dans les villes canadiennes, 1979-1992. |
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| 500 | |aDigitized edition from print [produced by Environment and Climate Change Canada]. |
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| 504 | |aIncludes bibliographical references. |
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| 650 | 0|aAir quality|zCanada. |
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| 650 | 0|aAir|xPollution|zCanada. |
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| 650 | 0|aUrban pollution|zCanada. |
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| 710 | 1 |aCanada. |bEnvironment Canada, |eissuing body. |
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| 775 | 08|tLes tendances de la qualité de l'air dans les villes canadiennes, 1979-1992.|w(CaOODSP)9.927111 |
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| 856 | 40|qPDF|s4.36 MB|uhttps://publications.gc.ca/collections/collection_2024/eccc/en4/En4-551-1994-eng.pdf |
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