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_aScientific Committee on Problems of the Environment, Scope _9164572 |
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| 245 | 1 | 0 | _aNewsletter SCOPE |
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_bScientific Committee on Problems of the Environment _c1991 |
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| 362 | 0 | _a1991 | |
| 500 | _a-Existencias: 1991 vol. 36 | ||
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_aAmbiente _913099 |
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| 650 | 4 |
_aEcología _94910 |
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| 035 | _a(IBONE)99734 | ||
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