Casey, M. C., S. E. Armstrong, R. Arora, M. P. King, J. R. Ahlbin, S. A. Francis, B. L. Bhuva, D. McMorrow, H. L. Hughes, P. J. McMarr, et al.,
"Effect of Total Ionizing Dose on a Bulk 130 nm Ring Oscillator Operating at Ultra-Low Power",
Nuclear Science, IEEE Transactions on, vol. 56, no. 6, pp. 3262 -3266, dec., 2009.