@article{05117823,
title = {Equiform kinematics and the geometry of line elements.},
journal = {Beitr\"age zur Algebra und Geometrie},
volume = {47},
year = {2006},
pages = {567-582},
zbl = {1122.53008},
language = {en},
url = {http://dml.mathdoc.fr/item/05117823}
}
Odehnal, Boris; Pottmann, Helmut; Wallner, Johannes. Equiform kinematics and the geometry of line elements.. Beiträge zur Algebra und Geometrie, Tome 47 (2006) pp. 567-582. http://gdmltest.u-ga.fr/item/05117823/