TY - BOOK AU - Gerhart, Grant, ed. TI - Unmanned Systems Technology IX T2 - Proceedings of SPIE; V. 6561 SN - 9780819466839 (Print) PY - 2007/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/6561 ER -