TY - JOUR PB - American Physical Society ID - 10.1103/Physics.5.55 TI - The Smallest Thermal Machines JF - Physics JA - Physics J1 - PHYSICS VL - 5 IS - SP - 55 EP - PY - 2012/05/14/ UR - http://link.aps.org/doi/10.1103/Physics.5.55 A1 - Mahler, Guenter ER -