713 Sailing a VENTURER 22 (H.P. rig) in Hong Kong and experimenting with bendy and jointed battens.
link Newsletter Issue 16 November 1987
1006 Another proven idea for a jointed batten cambered flipping sail battens from Norway.
link Newsletter Issue 47 August 2006
1051 R & D update on Swing-Wing and Jointed Battens.
link Newsletter Issue 51 August 2008