TY - CONF AU - Ray Radebaugh C2 - Proceeding of the International Conference on Cryogenics and Refrigeration, Shanghai, CH DA - 2008-04-06 LA - en PB - Proceeding of the International Conference on Cryogenics and Refrigeration, Shanghai, CH PY - 2008 TI - Status and Recent Trends in Cryocooler Research ER -