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Radiation Protection Dosimetry|September 11, 2010
Electret ion chamber-based passive radon-thoron discriminative monitorsP Kotrappa, D SteckRadiation Protection Dosimetry|October 2, 2007
One cubic metre NIST traceable radon test chamberP Kotrappa, F StieffHealth Physics|April 1, 1993
Electret ion chamber radon monitors measure dissolved 222Rn in waterP Kotrappa, W A JesterHealth Physics|January 1, 1992
Elevation correction factors for E-PERM radon monitorsP Kotrappa, L R StieffRadiation Protection Dosimetry|November 25, 2004
Radon monitor calibration using NIST radon emanation standards: steady flow methodP Kotrappa, L R Stieff, P VolkovitskyHealth Physics|January 1, 1995
Electret method for continuous measurement of the concentration of radon in waterS K Dua, P K Hopke, P KotrappaJournal of Research of the National Institute of Standards and Technology|November 21, 2017
Calibration of Electret-Based Integral Radon Monitors Using NIST Polyethylene-Encapsulated 226Ra/222Rn Emanation (PERE) StandardsR Collé, P Kotrappa, J M R HutchinsonHealth Physics|February 1, 1986
Radium-226 body burden in U miners by measurement of Rn in exhaled breathG K Srivastava, M Raghavayya, P Kotrappa, et al.Health Physics|January 1, 1988
An electret passive environmental 222Rn monitor based on ionization measurementP Kotrappa, J C Dempsey, J R Hickey, et al.Pageof 2