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web | David Knight | Feasta | 2013-08-26 | |
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web | James D. Hamilton, UC San Dieg... | Handbook of Energy and Climate... | 2012-10-01 | |
web | Samuel Alexander | Simplicity Institute | 2012-09-01 | |
web | Gail Tverberg | Energy Bulletin | 2012-07-20 |