TY  - BOOK
AU  - Jacobsen, Lydik S.
AU  - Ayre, Robert S.
TI  - Engineering vibrations: with applications to structures and machinery
U1  - 620.1123 
PY  - 1958///
CY  - New York
PB  - Mcgraw-Hill
KW  - Vibration
N1  - Includes Bibliography
ER  -