Die Erfüllung eines Versprechens. Horizontale Kurvaturen am Poseidontempel von Paestum? - Mertens, Dieter, 1941- (Appearance and essence. Refinements of classical architecture. Curvature. Proceedings of the Second Williams Symposium on Classical Architecture held at the University of Pennsylvania, Philadelphia, April 2 - 4, 1993, 1999)