Separation of zirconium and hafnium : 3rd phase formation in the solvent extraction from aqueous nitric acid solutions using tributyl phosphate in various diluents /
Hudswell, F.,author.
Waldron, J. C. R.,author.
Harder, B. R.,author.
Atomic Energy Research Establishment (Harwell, England),issuing body.
Great Britain.Her Majesty's Stationery Office.
"Oct. 2, 1954."
"2nd issue."
Sold but not published by H.M. Stationery Office.