@article{JGG_2004_8_1_JGG_2004_8_1_a5, author = {H.-P. Schroecker }, title = {The {Manifold} of {Planes} that {Intersect} {Four} {Straight} {Lines} in {Points} of a {Circle}}, journal = {Journal for geometry and graphics}, pages = {59--68}, publisher = {mathdoc}, volume = {8}, number = {1}, year = {2004}, url = {http://geodesic.mathdoc.fr/item/JGG_2004_8_1_JGG_2004_8_1_a5/} }