Temperature concepts for small, isolated systems; 1/t decay and radiative cooling J. U. Andersen, E. Bonderup, K. Hansen, P. Hvelplund, B. Liu, U. V. Pedersen and S. Tomita Eur. Phys. J. D, 24 1-3 (2003) 191-196 Published online: 03 July 2003 DOI: 10.1140/epjd/e2003-00180-y