@phdthesis{Asegehegn2012, author = {Teklay Weldeabzgi Asegehegn}, title = {Investigation of bubble hydrodynamics in gas-solid fluidized beds containing immersed horizontal tube banks for lignite drying application}, type = {doctoralthesis}, url = {http://opus.kobv.de/btu/volltexte/2012/2357/}, year = {2012}, }