Soap Bubble Insulation: Revision history

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3 November 2014

  • curprev 20:4220:42, 3 November 2014Marcin talk contribs 116 bytes +116 Created page with "http://smallfarms.cornell.edu/2011/10/03/soap-bubbles-to-insulate-greenhouses-a-new-approach-to-energy-conservation/"