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Schnittmuster für ein Papier-Diorama zum Selbstaufbauen in Form eines dreidimensionalen Kastens mit einem stets gleichbleibenden und einem variablen Teil
Pythagoras Redivivus-Dominic J. O'Meara: Pythagoras Revived: Mathematics and Philosophy in Late Antiquity. Pp. xii+ 251. Oxford: Clarendon Press, 1989.£ 27.50.