Granular temperature distribution in a gas fluidized bed of hollow microparticles prior to onset of bubblingL. Xie, M. J. Biggs, D. Glass, A. S. McLeod, S. U. Egelhaaf and G. PetekidisEurophys. Lett., 74 2 (2006) 268-274DOI: https://doi.org/10.1209/epl/i2005-10526-y