Dynamics of dark-bright solitons in cigar-shaped Bose-Einstein condensates - Middelkamp, S.; Chang, J.J.; Hamner, C.; Carretero-González, R.; Kevrekidis, P. G.; Achilleos, V.; Frantzeskakis, DJ; Schmelcher, P.; Engels, P. (Physics Letters, Section A: General, Atomic and Solid State Physics, 2011)