1. Cryocoolers, Part 2: Applications;Walker,1983
2. Improvement of a two-stage GM refrigerator performance using a hybrid regenerator;Ke,1994
3. High efficiency two-stage GM refrigerator with magnetic material in the liquid helium temperature region;Kuriyama,1990
4. Development of 1.5 W 5 K GM cryocooler with magnetic regenerator material;Satoh,1996
5. Cryogenic regenerative heat exchangers;Ackerman,1997