1. Irons, B.M.: Quintic plate elements University of Wales, Dept. of Civil Eng., Report C/R/80/67, 1967.
2. Lancaster, P.: Interpolation in a rectangle and finite elements of high degree. Jour. Inst. Math. and Appl. (To appear).
3. Melkes, F.: Reduced piecewise bivariate Hermite interpolations. Numer. Math. 19 (1972), 326–340.
4. Watkins, D.S.: Blending functions and finite elements. Ph.D. thesis, Dept. of Math. Stat. and Comp. Sci., Univ. of Calgary, 1974.
5. Watkins, D.S.: On the construction of conforming plate elements. Int. J. Num. Meth. Eng. (To appear).