Media type: E-Article Title: Comparison of calibration facilities for radon activity concentration: Euromet Project 657 Contributor: Röttger, A; Honig, A; Schmidt, V; Buchröder, H; Rox, A; Butterweck, G; Schuler, Ch; Maringer, F J; Michielsen, N; Howarth, C; Miles, J C H; Vargas, A; Ortega, X; Burian, I; Turtiainen, T; Jachs, P; Edelmaier, R; Hagberg, Nils Published: IOP Publishing, 2005 Published in: Metrologia, 42 (2005) 1A, Seite 06003-06003 Language: Without Specification DOI: 10.1088/0026-1394/42/1a/06003 ISSN: 0026-1394; 1681-7575 Keywords: General Engineering Origination: Footnote: