01241aam 2200373I 450 991071080100332120160705110710.0GOVPUB-C13-fd13977385c09002b6c655f58e145f7b(CKB)5470000002478292(OCoLC)953033094(EXLCZ)99547000000247829220160705d1992 ua 0engrdacontentrdamediardacarrierGradiometer antennas for tunnel detection /David A. HillGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1992.1 online resourceNISTIR ;39901992.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.Hill David A845785Hill David A845785National Institute of Standards and Technology (U.S.)NBSNBSGPOBOOK9910710801003321Gradiometer antennas for tunnel detection3504702UNINA