This document is unfortunately not available for download at the moment.
John Symons , Olga Pombo , Juan Manuel Torres (2011) Otto Neurath and the unity of science, Dordrecht, Springer.
Keeping track of Neurath's bill
abstract concepts, stock models and the unity of classical physics
Sheldon Steed , Gabriele Contessa , Nancy Cartwright
pp. 95-108
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