TY  - BOOK
AU  - Asher,R. C.
TI  - ULTRASONIC SENSORS
SN  - 0750303611
U1  - 681.2 
PY  - 1997///
CY  - 
PB  - Institute Of Physics, Bristol
KW  - Detectors
KW  - Sensors
N1  - Includes Index
ER  -