Input (grade 13): Lorentz, H. A., Einstein, Albert, Minkowski, Hermann, and Weyl, Hermann (1952) The Principle of Relativity: A Collection of Original Memoirs.
Output (grade 10): Lorentz, H. A., Einstein, Albert, Minkowksi, Hermann, and Weyl Hermann, 1952. The Principle of Relativity: A Collection of Original Memoirs.