TY - JOUR AU - Jason Underwood AU - Peter Lowell AU - Galen O'Neil AU - Joel Ullom C2 - Physical Review Letters DA - 2011-12-16 DO - https://doi.org/10.1103/PhysRevLett.107.255504 LA - en M1 - 107 PB - Physical Review Letters PY - 2011 TI - Insensitivity of Sub-Kelvin Electron-Phonon Coupling to Substrate Properties ER -