Liebel, Manfred (technical University Berlin And University Of Applied Sciences Potsdam.) (1) Creasy, Rob (york St John University, Corby, Fiona (teesside University (1) Barlow, Anne (university Of Exeter), Ewing, Jan (university Of Exeter) (1) Abubakari, Abdulai (1) Samson, Jim (university Of Bristol) (1)