00520nam a2200145Ia 4500003000900000008004100009020002600050040001600076100002700092245006700119260003200186300002000218490003300238856010300271IN-BaIIA211028s9999    xx      s     000 0 eng d  a9780819411785 (Print)  cIIA Library  aDel Grande, Nancy, ed. 0aUnderground and Obscured Object Imaging and Detectionh[eBook]  aWashington, USAbSPIEc1993  aOnline resource  aProceedings of SPIE; V. 1942  uhttps://www.spiedigitallibrary.org/conference-proceedings-of-spie/1942yClick Here to Access eBook