TY - BOOK AU - Gilbreath, G. Charmaine, ed. TI - Active and Passive Signatures IV T2 - Proceedings of SPIE; V. 8734 SN - 9780819495259 (Print) PY - 2013/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/8734 ER -