TY  - BOOK
AU  - Henkel, Paul, ed.
TI  - Airborne Reconnaissance XII
T2  - Proceedings of SPIE; V. 0979
SN  - 9780819400147 (Print)
PY  - 1989///
CY  - Washington, USA
PB  - SPIE
UR  - https://www.spiedigitallibrary.org/conference-proceedings-of-spie/0979
ER  -