@InCollection{jue:04g, author = {K. Rittenschober and B. J\"uttler}, title = {Rational mappings associated with space filling line congruences}, booktitle = {Geometric Modeling and Computing: Seattle 2003}, pages = {481--490}, publisher = {Nashboro Press}, year = {2004}, editor = {M.\ Neamtu and M.\ Lucian}, address = {Brentwood} }