erc: who: Johnson, E. what: Experimental study of the hydrodynamics and cluster formation in a Circulating Fluidized Bed when: 19910101 where: https://digital.library.unt.edu/ark:/67531/metadc1191914/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/