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Date: 2013-03-29 14:35:53 Systems ecology Biological systems Controlled Ecological Life Support Systems Superorganisms Geochemistry Biosphere 2 Biosphere Howard T. Odum Closed ecological system Ecology Biology Science		Available online at www.sciencedirect.com Pergamon Add to Reading List Source URL: www.ecotechnics.edu Download Document from Source Website File Size: 1,43 MB Share Document on Facebook

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