TY  - BOOK
AU  - Beyer, Robert T.
AU  - Letcher, Stephen V.
TI  - Physical ultrasonics
T2  - Pure and Applied Physics
U1  - 534.55 
PY  - 1969///
CY  - New York: 
PB  - Academic Press Inc., 
KW  - Lattice vibrations
KW  - Physics
KW  - Radiation fields
KW  - Ultrasound
ER  -