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_a363.7 _bHAN |
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_c2772 _d2772 |
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| 245 | _aHandbook for the Montreal protocol on substances that deplete the ozone layer / | ||
| 250 | _a3rd ed. | ||
| 260 |
_as.l : _c1993 _bThe Ozone Sectretariate |
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| 300 |
_aii, 170 p. ; _c30 cm. |
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| 650 |
_aEnvironmental protection _94914 |
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| 650 |
_aOzone layer - depletion _922258 |
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| 942 |
_cBOOK _2ddc |
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| 999 |
_c2772 _d2772 |
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