TY  - BOOK
AU  - Cracknell,Arthur P.
TI  - Ultrasonics
T2  - The Wykeham science series
SN  - 0844813303
AV  - QC244 .C69
U1  - 534.5/5 
PY  - 1980///
CY  - New York
PB  - Crane, Russak
KW  - Ultrasonic waves
KW  - Local
N1  - Includes index; Bibliography: p. [191]-194
ER  -