01384aam 2200421I 450 991071123780332120151113033658.0GOVPUB-C13-ebb4e79a4e4451b9e53452ac4f282c26(CKB)5470000002481645(OCoLC)929062891(EXLCZ)99547000000248164520151113d1975 ua 0engrdacontentrdamediardacarrierA review of precision oscillators /Helmut. HellwigGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1975.1 online resourceNBS technical note ;6621975.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.Frequency standardsOscillators, CrystalFrequency standards.Oscillators, Crystal.Hellwig Helmut1413114Hellwig Helmut1413114United States.National Bureau of Standards.NBSNBSGPOBOOK9910711237803321A review of precision oscillators3508736UNINA