@article{article, author = {Peter Lowell and Galen O{\textquoteright}Neil and Jason Underwood and Xiaohang and Joel Ullom}, title = {Sub-100 mK cooling using normal-metal\&$\#$191;insulator\&$\#$191;superconductor tunnel junctions}, year = {2013}, month = {2013-12-15}, publisher = {Journal of Low Temperature Physics}, doi = {https://doi.org/10.1007/s10909-013-1009-0}, language = {en}, }