Frederiksen, P. Flexural vibration of completely free thick plates analysed by the rayleigh-ritz method. Lyngby: The Technical Univ. of Denmark, 1993 26 p,.
Frederiksen, P. Flexural vibration of completely free thick plates analysed by the rayleigh-ritz method. Lyngby: The Technical Univ. of Denmark, 1993 26 p,.
Frederiksen, P. (1993) Flexural vibration of completely free thick plates analysed by the rayleigh-ritz method, Lyngby: The Technical Univ. of Denmark 26 p,.
Frederiksen, P. (1993). Flexural vibration of completely free thick plates analysed by the rayleigh-ritz method. Monogr.. Lyngby: The Technical Univ. of Denmark, 26 p.
Frederiksen P. Flexural vibration of completely free thick plates analysed by the rayleigh-ritz method: Monogr.. Lyngby: The Technical Univ. of Denmark; 1993. p. 26 p.