@book{32858,
	author = {Nguyen, Cam, ed.},
	title = {Subsurface and Surface Sensing Technologies and Applications III},
	publisher = {SPIE},
	year = {2001},
	series = {Proceedings of SPIE; V. 4491},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/4491}
}