The organization of research in forest-treatment effects on forest environment in the USSR
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Format: | Texto biblioteca |
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1972
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Subjects: | ENVIRONMENT, FORESTS, SILVICULTURE, RESEARCH, ECOLOGY, ENVIRONNEMENT, FORET, SYLVICULTURE, RECHERCHE, MEDIO AMBIENTE, BOSQUES, SILVICULTURA, INVESTIGACION, ECOLOGIE, ECOLOGIA, |
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