@article{article3aed4a8d,
title   = {Minimum air requirement for spouting mixed particles},
author = {Brunello, Giovanni and Nina, Gilberto Della and Nunes, Francisco Carlos S and Nascimento, Cláudio Augusto Oller do},
year = {1974},
doi = {10.1002/cjce.5450520206},
journal   = {Canadian Journal of Chemical Engineering}
}