Epistemological writings : the Paul Hertz/Moritz Schlick centenary edition of 1921 with notes and commentary by the editors / Hermann von Helmholtz ; newly translated by Malcolm F. Lowe ; edited, with an introduction and bibliography, by Robert S. Cohen and Yehuda Elkana.
Helmholtz, Hermann von, 1821-1894. | Date: [1977], ©1977