TY  - BOOK
AU  - Hubert J Sanchez
AU  -  Palencia E Sanchez
TI  - Vibration and coupling of continuous systems: Asymptotic methods
U1  - B7:5, M9 
PY  - 1989///
CY  - Berlin
PB  - Springer-Verlag         
KW  -  Oscillations
KW  - Vibration
ER  -