@article{articlea5ebb26f,
title   = {Investigation of acoustic signals as a tool for characterizing spouted bed dynamics},
author = {Oliveira, Wanderley Pereira de and Grace, John R. and Lim, C. Jim and Hodgson, M. R.},
year = {2009},
doi = {10.1002/cjce.20158},
journal   = {Canadian Journal of Chemical Engineering}
}