TY - BOOK AU - Nguyen, Cam, ed. TI - Subsurface and Surface Sensing Technologies and Applications III T2 - Proceedings of SPIE; V. 4491 SN - 9780819442055 (Print) PY - 2001/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/4491 ER -