01484aam 2200421I 450 991071002850332120151118015327.0GOVPUB-C13-8215502a7f7217ed48927a26f21b47e0(CKB)5470000002475994(OCoLC)929882489(EXLCZ)99547000000247599420151118d1976 ua 0engrdacontentrdamediardacarrierImproved ultrasonic standard reference blocks /G. F. Sushinsky; D. G. Eitzen; D. J. Chwirut; C. J. Bechtholdt; A. W. RuffGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1976.1 online resourceNBSIR ;76-9841976.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.Sushinsky George F1403673Bechtholdt C. J1403674Chwirut Daniel J1390278Eitzen D. G1388169Ruff Arthur W1388187Sushinsky George F1403673United States.National Bureau of Standards.NBSNBSGPOBOOK9910710028503321Improved ultrasonic standard reference blocks3476795UNINA