1. The design and operation of a refrigerator system using superfluid helium;Claudet,1974
2. Superfluid helium bath for superconducting magnets;Bon Mardion,1976
3. 700 mm diameter cryostats operating at 1.8 K and atmospheric pressure;Augueres;Cryogenics,1980
4. A pressurized helium II cooled magnet facility;Warren,1980
5. Thermophysical properties of helium-4 from 2 to 1500 K with pressure to 1000 atmospheres;McCarty;NBS technical note,1972