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Yes. This graph from "Sustainable Energy – without the hot air" is a good summary: http://www.withouthotair.com/c20/page_128.shtml http://www.withouthotair.com/
by gns24 7y ago
Yes. This graph from "Sustainable Energy – without the hot air" is a good summary: http://www.withouthotair.com/c20/page_128.shtml http://www.withouthotair.com/c20/page_128.shtml