000
| 01368cam 2200325zi 4500 |
---|
001 | 9.919469 |
---|
003 | CaOODSP |
---|
005 | 20230601074145 |
---|
006 | m o d f |
---|
007 | cr |n||||||||| |
---|
008 | 230125s1993 onca o f|0| 0 eng d |
---|
020 | |z0662197453 |
---|
040 | |aCaOODSP|beng|erda|cCaOODSP |
---|
043 | |an-cn--- |
---|
086 | 1 |aEn56-94/1992E-PDF |
---|
245 | 04|aThe ozone layer : |bwhat's going on up there? |
---|
250 | |aRevised |
---|
264 | 1|aOttawa : |bEnvironment Canada = Environnement Canada, |c1993. |
---|
300 | |a1 online resource (3 unnumbered pages) : |billustrations |
---|
336 | |atext|btxt|2rdacontent |
---|
337 | |acomputer|bc|2rdamedia |
---|
338 | |aonline resource|bcr|2rdacarrier |
---|
500 | |aDigitized edition from print [produced by Environment and Climate Change Canada]. |
---|
520 | |a"This fact sheet is one of a series of Environmental Citizenship "Snapshots" on atmospheric change. The objective of the series is to provide bias-balanced information and practical suggestions for taking action"--page [3]. |
---|
650 | 0|aOzone layer. |
---|
650 | 6|aCouche d'ozone. |
---|
710 | 1 |aCanada. |bEnvironment Canada, |eissuing body. |
---|
776 | 0#|tThe ozone layer: what's happening up there? |w(CaOODSP)9.644553 |
---|
856 | 40|qPDF|s1.82 MB|uhttps://publications.gc.ca/collections/collection_2023/eccc/En56-94-1992-eng.pdf |
---|