TY - BOOK AU - Roper, V., ed. TI - Active Infrared Systems and Technology T2 - Proceedings of SPIE; V. 0806 SN - 9780892528417 (Print) PY - 1987/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/0806 ER -