'Stepping Down The Nuclear Ladder: Options For Trident On A Path To Zero'. Nick Ritchie. Bradford Disarmament Research Centre, Department of Peace Studies, University of Bradford. May 2009.
'Stepping Down The Nuclear Ladder: Options For Trident On A Path To Zero'. Nick Ritchie. Bradford Disarmament Research Centre, Department of Peace Studies, University of Bradford. May 2009.
'Replacing Trident: Who will make the decisions and how?'. Nick Ritchie. Oxford Research Group, August 2006.
