Turbulent drag reduction by surfactants J. Drappier, T. Divoux, Y. Amarouchene, F. Bertrand, S. Rodts, O. Cadot, J. Meunier and Daniel Bonn Europhys. Lett., 74 2 (2006) 362-368 Published online: 10 March 2006 DOI: 10.1209/epl/i2005-10519-x