Rietveld, T., & Chen, A. (2006). How to obtain and process perceptual judgements of intonational meaning. In S. Sudhoff, D. Lenertová, R. Meyer, S. Pappert, P. Augurzky, I. Mleinek, N. Richter, & J. Schliesser (Eds.), Methods in empirical prosody research (pp. 283-319). Berlin: Mouton de Gruyter.