Tracer experiments on technetium / by F. Morgan,  M. L. Sizelandand and H. H. Willis.
Morgan, F.,author.
Sizeland, M. L.,author.
Willis, H. H.,author.
Atomic Energy Research Establishment (Harwell, England),issuing body.
Great Britain.Her Majesty's Stationery Office.
"Dec. 21, 1950."
Sold but not published by H.M. Stationery Office.