1. Experimental Technique in Low Temperature Physics;White,1979
2. A low temperature indium seal
3. Extrusion of indium wire for vacuum seals
4. Indium Seal for Low Temperature Cryostats
5. We used, 1 mm diameter wire solder, 60%Sn, 40%Pb, manufactured by Senju Metal Industry Co., Ltd., Senjuhashidocho, Adachi-ku, Tokyo, Japan