TY - BOOK AU - Hoff, Nicholas John TI - The analysis of structures SN - 0471405906 CY - New York PB - John Wiley N1 - Apéndices e índices de autores y alfabético, al final del libro; The principle of virtual displacements; The minimun of the total potential; The calculation of buckling loads; Complementary energy and least-work methods ER -