TY - BOOK AU - Carapezza, Edward, ed. TI - Unattended Ground Sensor Technologies and Applications T2 - Proceedings of SPIE; V. 3713 SN - 9780819431875 (Print) PY - 1999/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3713 ER -