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# Adams, L., Harboe Sorensen, R., Holmes Siedle, A. G., Ward, A. K. and Bull, R. ( 1991 ), " Measurement of SEU and total dose in geostationary orbit under normal and solar flare conditions ," IEEE Transactions on Nuclear Science, NS 38 ( 6 ), pp. 1686 – 92 ( Dec 1991 )

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