TY  - RPRT
TI  - A study of design principles for refrigerators for low-power cryoelectronic devices 
AU  - Zimmerman, James Edward
PY  - 1982
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 1049
DO  - 10.6028/NBS.TN.1049
ER  -