https://blog.p2pfoundation.net/peer-production-and-desktop-manufacturing-in-the-case-of-the-helix-t-wind-turbine-project/2013/10/25 Researching, documenting and promoting peer to peer practices Fri, 03 Jan 2014 13:55:17 +0000 hourly 1 https://wordpress.org/?v=5.5.15