@InCollection{buelow201book,
author = {T. B{"u}low and G. Sommer},
booktitle = {Geometric Computing with Clifford Algebra},
title = {Local hypercomplex signal representation and applications},
publisher = {Springer-Verlag, Heidelberg},
year = 2001,
editor = {G. Sommer},
pages = {255-289}
}