TY - GEN AU - CRAIG, RAYR TI - Structural dynamics an introduction to computer methods SN - 0-471-04499-7 U1 - 624.17102854 PY - 1981/// CY - NEW YARK PB - JOHN WILLY AND SONS N1 - STRUCTURAL; 0; 0; 0; 624_171028540000000_CRA; 0; 0; 0; 624_171028540000000_CRA; 0; 0; 0; 624_171028540000000_CRA ER -