1. Rules for building and classing underwater vehicles,2002
2. Bulletin on Stability Design of Cylindrical Shells,2004
3. PD 5500: Specification for Unfired Fusion Welded Pressure Vessels,2009
4. Optimum design of ring-stiffened cylindrical shells;Bronowicki,1974
5. French and British Submarines Collide;Bums,2009