- Elastic and Ultimate State Design Tools for Stiffened Shell Structures,
J.W. Bull, P. Bettess, T. Bond and I. Applegarth
Paper 1.2 from CCP: 24, ISBN 0-948749-26-1 (1994)
- Adaptive Remeshing of Stiffened Shells and Plates using Quadrilateral Elements,
I. Applegarth, J.W. Bull, P. Bettess and T. Bond
Paper 4.4 from CCP: 21, ISBN 0-948749-23-7 (1994)