TY  - BOOK
AU  - Church,Austin H., x
AU  - x
TI  - Mechanical vibarations: x
SN  - x
U1  - 531.383/CHM 
PY  - 1968///
CY  - Lond.
PB  - Wiley
KW  - Vibration
KW  - Physics
N1  - x
ER  -