1. Clemens W, Lupo D, Hecker K, Breitung S (2009) White Paper OE-A Roadmap for Organic and Printed Electronics. Organic Electronics Association (OE-A).
http://www.vdma.org/wps/myportal/Home/en/Datenbanken/Downloads?WCM_GLOBAL_CONTEXT=/vdma/Home/en/Datenbanken/Downloads&initsearch=&branche=OEA
. Accessed 2011(Since Dec 2011 an updated (4th) edition of the OE-A Roadmap is available at this site.)
2. Menippos GmbH.
http://hurrafussball.com/
. Accessed 2011
3. Varta Microbatteries GmbH. (
http://www.varta-microbatteries.com
/en/newsandpr/news_new/news_new.php?action = detail&id = 115). Accessed 2011
4. Konarka Technologies, Inc.
www.konarka.com
. Accessed 2011
5. G24 Innovations.
www.g24i.com
. Accessed 2011