HARD(A)P 41, LMFS P 15 two-group computer programme for two-zone spherical reactors /
Davey, W. G.,author.
Harrison, J. R.,author.
Atomic Energy Research Establishment (Harwell, England),issuing body.
Great Britain.Her Majesty's Stationery Office.
"Oct., 1957."
Sold but not published by H.M. Stationery Office.