c88.
Richard Heinberg, “MuseLetter 204: Timing and the Post Carbon Manifesto”, April 2009, at http://richardheinberg.com/204-timing-and-the-post-carbon-manifesto .
Richard Heinberg, “MuseLetter 204: Timing and the Post Carbon Manifesto”, April 2009, at http://richardheinberg.com/204-timing-and-the-post-carbon-manifesto .