Long term reactivity changes in windscale and NRX irradiated uranium bars.
Cooper, W. A.,author.
Rose, H.,author.
Syrett, J. J.,author.
Great Britain.Her Majesty's Stationery Office.
United Kingdom Atomic Energy Authority,issuing body.
November, 1961.
Declassified version of A.E.R.E. R/2311.