01384aam 2200385I 450 991070991550332120151118015317.0GOVPUB-C13-ea842407a540015f9c572d4848db624d(CKB)5470000002475115(OCoLC)929879066(EXLCZ)99547000000247511520151118d1978 ua 0engrdacontentrdamediardacarrierThe evaluation of search units used for ultrasonic reference block calibrations /Daniel J. Chwirut; Gary D. BoswellGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1978.1 online resourceNBSIR ;78-14541978.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.Chwirut Daniel J1390278Boswell Gary D1417737Chwirut Daniel J1390278United States.National Bureau of Standards.NBSNBSGPOBOOK9910709915503321The evaluation of search units used for ultrasonic reference block calibrations3527142UNINA