Tests on an experimental D. C. pump for liquid metals /
Watt, D. A.,author.
O'Connor, R. J.,author.
Holland, E,author.
Atomic Energy Research Establishment (Harwell, England),issuing body.
Great Britain.Her Majesty's Stationery Office.
"May, 1957."
Sold but not published by H.M. Stationery Office.