%0 Journal Article %A H. Stachel %T Canal Surfaces Containing Four Straight Lines %J Journal for geometry and graphics %D 2024 %P 137-154 %V 28 %N 2 %U http://geodesic.mathdoc.fr/item/JGG_2024_28_2_JGG_2024_28_2_a0/ %F JGG_2024_28_2_JGG_2024_28_2_a0