@InCollection{felsberg101book,
author = {M. Felsberg and T. B{"u}low and G. Sommer},
booktitle = {Geometric Computing with Clifford Algebra},
title = {Commutative hypercomplex {F}ourier transforms of multidimensional signals},
publisher = {Springer-Verlag, Heidelberg},
year = 2001,
editor = {G. Sommer},
pages = {209-229},
}