Structure of the complexes formed between sodium dodecyl sulfate and a charged and uncharged ethoxylated polyethyleneimine: Small-angle neutron scattering, electromotive force, and isothermal titration calorimetry measurements - Li, Y; Xu, R; Couderc, S; Bloor, D; Warr, J; Penfold, J; Holzwarth, J; Wyn-Jones, E (LANGMUIR, 2001)