1. BfE, (2006) Bundesamt für Energie (eds.) (Swiss Federal Office for Energy): Evaluation Car-Sharing. Final report. Authors: Ueli Haefeli, Daniel Matti (both from Interface, Lucerne), Christoph Schreyer, Markus Maibach (both from INFRAS, Zurich). Bern, September 2006.
2. Cambio Car-Sharing, cambio user survey 2010, quoted in: Glotz-Richter, Michael, Car-Sharing Action Plan in Bremen, presentation slides for expert workshop in Bremen (03.01.2012).
3. Free Hanseatic City of Bremen, Senate Dpt. for Environment, Construction, Transport and European Affiars (2009) “Car-Sharing Action Plan” (translation from the original German version), Bremen, Download: http://www.momo-cs.eu/index.php?obj=file&aid=19&id=324&unid=783166850e12ba6778bffee4d30d8213.
4. Glotz-Richter, (2011) Michael, Car-Sharing in Bremen – presentation slides for momo evaluation workshop in Rome (Bremen, 2011) see momo project documentation.
5. Loose, (2009) Willi (Bundesverband CarSharing), Barriers and obstacles for exploiting the full potential of Car-Sharing, Momo project, Workpackage 2, Working paper D 2.3, published on momo website, 2009.