Remotely operated Hilger Spekker absorptiometer for use with radio-active solutions /
Kitt, G. P.,author.
Moss, J. H.,author.
Atomic Energy Research Establishment (Harwell, England),issuing body.
Great Britain.Her Majesty's Stationery Office.
"Aug., 1958."
Sold but not published by H.M. Stationery Office.