| 000 | 00000nam 2200000zi 4500 |
| 001 | 9.939227 |
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| 003 | CaOODSP |
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| 005 | 20250422122830 |
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| 006 | m o d f |
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| 007 | cr |n||||||||| |
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| 008 | 240611t19871987onca o f000 0 eng d |
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| 020 | |z0662154363 |
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| 040 | |aCaOODSP|beng|erda|cCaOODSP |
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| 043 | |an-cn--- |
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| 086 | 1 |aEn57-24/15-1987E-PDF|zEn57-24/15-1987E |
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| 245 | 04|aThe ozone layer. |
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| 264 | 1|aDownsview, Ontario : |bEnvironment Canada, Atmospheric Environment Service, |c[1987] |
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| 264 | 4|c©1987 |
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| 300 | |a1 online resource (6 pages) : |billustrations |
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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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| 490 | 0 |aFact sheet ; |v15 |
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| 500 | |aDigitized edition from print [produced by Environment and Climate Change Canada]. |
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| 650 | 0|aOzone layer depletion. |
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| 650 | 6|aCouche d'ozone|xRéduction. |
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| 710 | 1 |aCanada. |bAtmospheric Environment Service, |eissuing body. |
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| 856 | 40|qPDF|s3.40 MB|uhttps://publications.gc.ca/collections/collection_2025/eccc/en57/En57-24-15-1987-eng.pdf |
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