Measurements of Pu239:U235 fission ratio using foils at temperatures up to 400° C.
Carter, D. H.,author.
Puckett, B. J.,author.
United Kingdom Atomic Energy Authority,issuing body.
Great Britain.Her Majesty's Stationery Office.
Richards, A. E.,author.
Sold but not published by H.M Stationery Office.