Media type: E-Article Title: Traveling column for comparison of invasive and non-invasive fluidization voidage measurement techniques Contributor: Dubrawski, K.; Tebianian, S.; Bi, H.T.; Chaouki, J.; Ellis, N.; Gerspacher, R.; Jafari, R.; Kantzas, A.; Lim, C.; Patience, G.S.; Pugsley, T.; Qi, M.Z.; Zhu, J.X.; Grace, J.R. imprint: Elsevier BV, 2013 Published in: Powder Technology Language: English DOI: 10.1016/j.powtec.2012.10.031 ISSN: 0032-5910 Keywords: General Chemical Engineering Origination: Footnote: