TY  - BOOK
AU  - Cracknell,A.P.
TI  - Ultrasonics
SN  - 0851097707
PY  - 1980///
CY  - London : 
PB  - Wykeham Publications, 
KW  - Ultrasonic waves
N1  - Notes Registration No: 15003 ( al), Notes Registration No: 15003 ( al), New campus (c1,2); Bibliography: p.191-194. _ Includes index
ER  -