TThe regular heptagon ... no. 2The regular heptagon ... no. 2de Thomas Alexander · Publicada por primera vez en 1928MateriasGeometry, PlanePlane GeometryEdiciones (1)The regular heptagon ... no. 2. (1928)Univ. Press · inglésMás obras de Thomas AlexanderProceedings of the 20th Congress of the International Ergonomics Association : Volume IIProceedings of the 20th Congress of the International Ergonomics AssociationProceedings of the 20th Congress of the International Ergonomics Association : Volume III