Baboux, J C Measurement of the ultrasonic energy radiated by transducers used in echography. [electronic resource] - Ultrasound in medicine & biology 1979 - 75-82 p. digital Publication Type: Journal Article ISSN: 0301-5629 Standard No.: 10.1016/0301-5629(79)90130-3 doi Subjects--Topical Terms: Transducers, PressureUltrasonics--instrumentationUltrasonography