1. Schrem, E., ‘Trends and aspects of the development of large finite element software systems’, Comp. & Struct., 10 (1979), 419–426.
2. Tagnfors, H., ‘Architecture of an adaptive and interactive FEM-pro- gram for CAD-purposes’, NUMETA 85, Proc. Int. Conf. on Num. Meth. in Eng., Swansea, 1029–1038, 1985.
3. Dodds Jr., R.H. and Lopez, L.A., ‘Software virtual machines for development of finite element systems’. Eng. Comp. 3 (1986), 18–26.
4. Felippa, C.A. and Stanley, G.M., ‘NICE: a utility architecture for computational mechanics’, Europe — US Symposium, Finit Element Methods for Nonlinear Problems, Trondheim, Norway, 1985.
5. Bell, K., Carr, A. and Sylvertsen, T.G., Handbook of computer programming — Design, development and maintenance of engineering (Fortran) software, an interned reference manual, SINTEF report no. STF71 A83005, 1983.