TY  - BOOK
AU  - Bedford,A.
AU  - Drumheller,D.S.
TI  - Introduction to elastic wave propagation / 
SN  - 0741967009   
PY  - 1994///.
CY  - Chichester
PB  - John Wiley & Sons, 
KW  - Elastic wave
KW  - Wave motion,Theory of.
ER  -