TY - RPRT TI - Advance Algorithms and High-Performance Testbed for Large-Scale Site Characterization and Subsurface Target Detection Using Airborne Ground Penetrating SAR AU - Fijany, A. AU - Collier, J. B. AU - Citak, A. PY - 1999 UR - https://ntrs.nasa.gov/citations/20060033992 ID - 20060033992 ER -