TY  - BOOK
AU  - Crawford,Alan E.
TI  - Ultrasonic engineering: with particular reference to high power applications 
U1  - 534.5 
PY  - 1960///]
CY  - London
PB  - Butterworths Scientific Publications
KW  - Ultrasonics
N1  - Includes bibliography (p. 337) and index
ER  -