Experimental study of the slowing down of fission neutrons and the diffusion of thermal neutrons in graphite and in heterogeneous mixtures of bismuth and graphite /
Davey, W. G.,author.
Field, J. C.,author.
Gilbert, J. C.,author.
Pope, A. L.,author.
Atomic Energy Research Establishment (Harwell, England),issuing body.
Great Britain.Her Majesty's Stationery Office.
"March, 1958."
Sold but not published by H.M. Stationery Office.