Retrieved 2012-07-24. ↑ http://aig.cs.man.ac.uk/people/srp/ Dr. Steve Pettifer ↑ http://www.cs.man.ac.uk/~hubbold/Hubbold/ Professor Roger Hubbold Homepage 1 2 "Imaging Sciences (Imaging Sciences Research - University of Manchester)". Retrieved 2012-07-25. ↑ http://www.medicine.manchester.ac.uk/staff/CJTaylor Professor Chris J. Taylor FREng, OBE ↑ Anon (2010). "Dai Edwards: helping Turing use the Manchester Mark 1". www.bl.uk.