Calibration and verification of surface contamination meters - procedures and techniques
Schuler, C., Butterweck, G., Wernli, C., Bochud, F., & Valley, J. F. (2007). Calibration and verification of surface contamination meters - procedures and techniques. (PSI Bericht, Report No.: 07-01). Paul Scherrer Institut. https://doi.org/10.55402/psi:41683