@book{27895,
	author = {Shung, K. Kirk, ed.},
	title = {Medical Imaging 1998: Ultrasonic Transducer Engineering},
	publisher = {SPIE},
	year = {1998},
	series = {Proceedings of SPIE; V. 3341},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3341}
}