Authors: H Abele; S Baeßler; M Deissenroth; F Glück; J Krempel; M Kreuz; B Märkisch; D Mund; M Schumann; T Soldner Journal: J Res Natl Inst Stand Technol Date: 2005-08-01
Authors: W S Wilburn; J D Bowman; G S Mitchell; J M O'Donnell; S I Penttila; P-N Seo; J R Calarco; F W Hersmann; T E Chupp; T V Cianciolo; K P Rykaczewski; G R Young; R T De Souza; W M Snow; D Desai; G L Greene; R K Grzywacz; E Frlez; D Pocanic; T R Gentile; V Gudkov; G L Jones Journal: J Res Natl Inst Stand Technol Date: 2005-08-01