Electron and hole mobility in tris(8-hydroxyquinolinolato-N1,O8) aluminum - Kepler, R. G.; Beeson, P. M.; Jacobs, S. J.; Anderson, R. A.; Sinclair, M. B.; Valencia, V. S.; Cahill, P. A. (American Institute of Physics (AIP), 1995)
http://dx.doi.org/10.1063/1.113806
Keywords: U