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Health Physics|February 1, 1994
Field test of electret ion chambers for environmental monitoringR A Fjeld, K J Montague, M H Haapala, et al.Health Physics|April 1, 1990
A practical E-PERM (electret passive environmental radon monitor) system for indoor 222Rn measurementP Kotrappa, J C Dempsey, R W Ramsey, et al.Health Physics|March 16, 2006
Performance of electret ionization chambers in magnetic fieldP Kotrappa, L R Stieff, T F Mengers, et al.Health Physics|September 21, 2002
Measurement of alpha particle energy using windowless electret ion chambersS K Dua, P Kotrappa, R Srivastava, et al.Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine|November 1, 1977
Scintiphotography of lungs with dry aerosol--generation and delivery system: concise communicationP Kotrappa, B Raghunath, P S Subramanyam, et al.Health Physics|December 1, 1986
Measurement of 220Rn in exhaled breath of Th plant workersY S Mayya, S K Prasad, P P Nambiar, et al.American Industrial Hygiene Association Journal|November 1, 1976
Assessment of airborne hazards in the thorium processing industryP Kotrappa, D P Bhanti, V B Menon, et al.Health Physics|September 1, 1982
Passive measurement of radon and thoron using TLD or SSNTD on electretsP Kotrappa, S K Dua, N S Pimpale, et al.Pageof 2