@article{01133037, title = {Affine and projective generalization of Wallace lines.}, journal = {Journal for Geometry and Graphics}, volume = {1}, year = {1997}, pages = {119-133}, zbl = {0898.51013}, language = {en}, url = {http://dml.mathdoc.fr/item/01133037} }
Giering, Oswald. Affine and projective generalization of Wallace lines.. Journal for Geometry and Graphics, Tome 1 (1997) pp. 119-133. http://gdmltest.u-ga.fr/item/01133037/