1. Anon, 2007. “Ole Immanuel Franksen-75 år den 6. januar 2007. Danmarks Tekniske Museum, National Museum of Science and Technology. 〈http://www.tekniskmuseum.dk/archive/diverse%20billeder/OIF.pdf〉.” (retrieved 21.01.2009).
2. Awerbuch, S., 2004. Restructuring our electricity networks to promote decarbonisation, Tyndall Centre for Climate Change Research Working Paper 49.
3. Bach, P.-F., 2007. Nogle milepæle-fra mine 4 årtier i jynsk-fynsk elforsyning.
4. Bach, P.-F., Nielsen, J. E., Hindsberger, M., Varming, S., Gaardestrup, C., 2003. Active networks as a tool to integrate large amounts of distributed generation. Paper prepared for the conference ‘Energy Technologies for post Kyoto Targets in the Medium Term’, Risø, Denmark, 19–21 May 2003.
5. How have we arrived at the present state of knowledge in process control? Is there a lesson to be learned?;Balchen;Journal of Process Control,1999