1. Standard specification for performance of mechanically attached fitting, ASTM F1387-99 (Reapproved 2005).
2. www.sabtek.co.uk,lokringtechnology
3. www.permaswage.com,products
4. Aerospace standard, SAE AS4459, fittings, tube, fluid system (3000/4000 psi rated pressure), externally swaged
5. Deformation and fracture behavior of a RSP Al–Li alloy