@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}, }