TY - BOOK AU - PILKEY,WALLER AU - WUNDERLICH,WALLER TI - MECHANICS OF STRUCTURRES VARIATIONAL AND COMPUTATIONAL MELHEEDS / U1 - 620.1123 PY - 1993/// CY - [S.N] : PB - CRC PRESS ، KW - STRENGTH - MATERIALS KW - ENGINEERING MATHEMATICS KW - MECHANICS APPLIED ER -