Electromagnetic separation of plutonium isotopes : operational experience in 1957 /
Freeman, J. H.,author.
Hill, K. J.,author.
Smith, K. L.,author.
Atomic Energy Research Establishment (Harwell, England),issuing body.
Great Britain.Her Majesty's Stationery Office.
"Aug., 1959."
Sold but not published by H.M. Stationery Office.