%0 Journal Article %A P. Casu %T Geometric Analysis of Architectural Drawings of the 19th Century %J Journal for geometry and graphics %D 2011 %P 69-78 %V 15 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JGG_2011_15_1_JGG_2011_15_1_a4/ %F JGG_2011_15_1_JGG_2011_15_1_a4