Efectos ecologicos y ambientales de la utilizacion de materias sinteticas frente a la de fibras duras, y aspectos economicos respectivos
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| Main Authors: | , |
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| Format: | Texto biblioteca |
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Roma (Italy)
Jun
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| Subjects: | SYNTHETIC FIBRES, HARD FIBRES, ENVIRONMENTAL IMPACT, FIBRE SYNTHETIQUE, FIBRE DURE, IMPACT SUR L'ENVIRONNEMENT, FIBRAS SINTETICAS, FIBRAS DURAS, IMPACTO AMBIENTAL, |
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