1. Introduction.- 2. Properties of Cryoliquids.- 3. Solid Matter at Low Temperatures.- 4. Thermal Contact and Thermal Isolation.- 5. Helium-4 Cryostats.- 6. Helium-3 Cryostats.- 7. The 3He-4He Dilution Refrigerator.- 8. Refrigeration by Solidification of Liquid 3He: Pomeranchuck Cooling.- 9. Refrigeration by Adiabatic Demagnetization of a Paramagnetic Salt.- 10. Refrigeration by Adiabatic Nuclear Demagnetization.- 11. Temperature Scales and Temperature Fixed Points.- 12. Low-Temperature Thermometry.- 13. Miscellaneous Cryogenic Design Aids and New Developments.- Magnetic Susceptibilities of Some Selected Materials.- List of Symbols.- Conversion Factors.- References.
