@INCOLLECTION{PurGraBlaObe03, author = "Purwins, Hendrik and Graepel, Thore and Blankertz, Benjamin and Obermayer, Klaus", editor = "Mazzola, Guerino and Noll, Thomas and Luis-Puebla, Emilio", title = "Correspondence Analysis for Visualizing Interplay of Pitch Class, Key, and Composer", booktitle = "Perspectives in Mathematical and Computational Music Theory", publisher = "epOs Verlag", year = "2004", address = {Osnabr\"uck}, note = "ISBN 3-923486-57-X", pdf = "http://doc.ml.tu-berlin.de/bbci/publications/PurGraBlaObe03.pdf", postscript = "http://doc.ml.tu-berlin.de/bbci/publications/PurGraBlaObe03.ps" }