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- [4] ULTRASONIC PULSE-ECHO TECHNIQUE FOR VHF RANGE REVIEW OF SCIENTIFIC INSTRUMENTS, 1967, 38 (12): : 1809 - &
- [6] DESIGN TECHNIQUE FOR WIDEBAND TUNNEL DIODE AMPLIFIER ELECTRONICS & COMMUNICATIONS IN JAPAN, 1968, 51 (07): : 116 - &
- [10] AN APPLICATION OF THE ULTRASONIC PULSE ECHO TECHNIQUE TO THE MEASUREMENT OF CRISPNESS OF BISCUITS JOURNAL OF FOOD TECHNOLOGY, 1981, 16 (02): : 167 - 175