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EVALUATION OF CRITICAL ORIFICES MADE FROM SECTIONS OF HYPODERMIC NEEDLESP. Kotrappa; N. Pimpale; P. Subrahmanyam; P. Joshi · 1977
ErratumB. Raghunath; Y.S. Mayya; P. Kotrappa · 1979
Shape factors for quartz aerosol in respirable size rangeP. Kotrappa · 1971
Smoke Puff Generator for Room Air Movement StudiesKotrappa, P.; Bhanti, D. P. · American Industrial Hygiene Association Journal · 1967
Diffusion coefficients of decay products of radon and thoronB. Raghunath; P. Kotrappa · 1979
Measurement of 220Rn in Exhaled Breath of Th Plant WorkersMayya, Y. S.; Prasad, S. K.; Nambiar, P. P. V. J.; Kotrappa, P.; Somasundaram, S. · Health Physics · 1986
Electret Method for Continuous Measurement of the Concentration of Radon in WaterDua, S. K.; Hopke, P. K.; Kotrappa, P. · Health Physics · 1995
Design and Performance of the Lovelace Aerosol Particle SeparatorKotrappa, P. · Review of Scientific Instruments · 1972