BEM IV: Shell Elements: their use in conjunction with boundary elements
and in application to Laplace problems
S. M. Kirkup and D.J.Henwood
Report M18, Department of Mathematics, Statistics and OR, Brighton Polytechnic (1989).
This work was reproduced in the following conference paper
Shell Elements: their use in conjunction with Boundary Elements and in Application to Laplace Problems (1990)
Much of the work in the report has been reproduced in the following journal paper:
The boundary and shell element method
(1994)