1. Carrier, M., (1994): The Completeness of Scientific Theories. On the Derivation of Empirical Indicators Within a Theoretical Framework: The Case of Physical Geometry, Dordrecht: Kluwer.
2. Clifton, R.K., (1989): “Some Recent Controversy Over the Possibility of Experimentally Determining Isotropy in the Speed of Light”, Philosophy of Science56, 688–696.
3. Ellis, B., and Bowman, P., (1967): “Conventionality in Distant Simultaneity”, Philosophy of Science34, 116–136.
4. Friedman, M., (1983): Foundations of Space-Time Theories. Relativistic Physics and Philosophy of Science, Princeton: Princeton University Press.
5. Grünbaum A., (1973): Philosophical Problems of Space and Time, Dordrecht: Reidel, 2nd Ed.