KOCH, Inge. Analysis of multivariate and high-dimensional data. 1st pub. New York : Cambridge University Press, 2014. xxv, 504 s. Cambridge series in statistical and probabilistic mathematics ; [37]. Dostupné na internetu: <http://www.gbv.de/dms/bowker/toc/9780521887939.pdf> ISBN 978-0-521-88793-9.