TY - RPRT TI - Cryogen-Free Ultra-Low Temperature Cooling using a Continuous ADR AU - Shirron, Peter AU - DiPirro, Michael AU - Jirmanus, Munir AU - Zhao, Zu-Yu AU - Shields, Bill PY - 2003 UR - https://ntrs.nasa.gov/citations/20040013034 ID - 20040013034 ER -