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2. Leissa, A. W. andF. W. Niedenfuhr: ?A study of the cantilevered square plate subjected to a uniform loading?.J. of Aero/Space Sciences, Feb., 1962, p. 162.
3. Niedenfuhr, F. W., A. W. Leissa, andC. C. Lo: ?A study of the point matching method as applied to thermally and transversely loaded plates and other boundary value problems?. Tech. Report AFFDL-TR-64-159, Oct. 1964.
4. Dedic, O.: ?Spannungszustand einer quadratischen Platte mit kreisrunder Öffnung?. Beiträge zur Angewandten Mechanik, Federhofer-Girkmann-Festschrift, 1950, Wien.