Smits, Roel Language Comprehension Group, MPI for Psycholinguistics, Max Planck Society;
Smits_J_Exp_Psych_Hum_Percep_Performance_2001.pdf (Publisher version), 2MB
Smits, R. (2001). Evidence for hierarchial categorization of coarticulated phonemes. Journal of Experimental Psychology: Human Perception and Performance, 27, 1145-1162. doi:10.1037/0096-1523.27.5.1145.