4Stephen.Wiel Iames E.Mcmahon,ENERGY-EFFICIENCY LABELSAND STANDARDS,Collaborative Labeling and Appliance Standards Program(CLASP),Washington,D.C,USA,pp44-47.
5Wong MT,Howell BT, Jones WR,et al.Energy consumption testing of in-novativerefrigerator-freezers[J]. ASHRAE Transactions, 1995: 1211-1217.
6Zimm C, Jastrab A, Strmberg A, et al. Description and performance of anear-room temperature magnetic refrigerator[J]. Advances in cryogenic en-gineering, 1998,43:1759-1766.
