01504aam 2200409I 450 991070953090332120151026025816.0GOVPUB-C13-d723ded9218f368d176f06f041b8b21b(CKB)5470000002479694(OCoLC)926740574(EXLCZ)99547000000247969420151026d1985 ua 0engrdacontentrdamediardacarrierStandard reference materials development of a one-micrometer-diameter particle size standard, SRM 1690/G. W. Mulholland, A. W. Hartman, Egon Marx, T. R. LettieriGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1985.1 online resourceNBS special publication ;260-951985.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.Standard reference materials Hartman A. W1393572Lettieri Thomas R(Thomas Robert),1952-1393573Marx Egon1392177Mulholland G. W1393574United States.National Bureau of Standards.NBSNBSGPOBOOK9910709530903321Standard reference materials3449806UNINA