%0 Journal Article %A Dougall, John %T The Double Six of Lines and a Theorem in Euclidean Plane Geometry %J Glasgow mathematical journal %D 1952 %P 1-7 %V 1 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S2040618500032846/ %R 10.1017/S2040618500032846 %F 10_1017_S2040618500032846