The Role of Geometrical Construction in Theodosius’s Spherics Nathan SidoliKen Saito OriginalPaper 11 August 2009 Pages: 581 - 609
Studies on Babylonian goal-year astronomy II: the Babylonian calendar and goal-year methods of prediction J. M. K. GrayJ. M. Steele OriginalPaper 15 July 2009 Pages: 611 - 633
Mean Motions in Ptolemy’s Planetary Hypotheses Dennis Duke OriginalPaper 04 July 2009 Pages: 635 - 654
On the Role of the Michelson–Morley Experiment: Einstein in Chicago Jeroen van Dongen OriginalPaper Open access 17 July 2009 Pages: 655 - 663
Le problème de la définition de l’aire d’une surface gauche: Peano et Lebesgue Sébastien GandonYvette Perrin OriginalPaper 30 July 2009 Pages: 665 - 704