The electrical resistivity of lithium and sodium-potassium alloy /

"Contract AT(11-1)-229.""UC-25 Metals, Ceramics, and Materials ; (TID-4500, 16th Ed.).""PWAC-349."June 15, 1961--page 9."Issued, June 30, 1961."Includes bibliographical references (page 33).Mode of access: Internet

The electrical resistivity of sodium, potassium, rubidium and cesium in the liquid state /

"Contract AT(30-1)-2789."June 28, 1962--page 9.Issued June 30, 1962."PWAC-376."Includes bibliographical references (page 31).Mode of access: Internet