TY - BOOK AU - Guenther, Bruce, ed. TI - Calibration of Passive Remote Observing Optical and Microwave Instrumentation T2 - Proceedings of SPIE; V. 1493 SN - 9780819406026 (Print) PY - 1991/// CY - Washington, USA PB - SPIE UR - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/1493 ER -