Fichera, E., y A. Pugliano. 2015. «Campaign for Determining the Longitude of the Fundamental Point of the Astronomic Observatory in Naples — I . — The Chauvenet Problem and the Determination of Longitude by Meridian Observations». The International Hydrographic Review 44 (2). https://journals.lib.unb.ca/index.php/ihr/article/view/24005.