M. Heidelberger (trans. C. Klohr), Nature from Within: Gustav Theodor Fechner and His Psychophysical Worldview (Pittsburgh, PA.: University Press, 2004 [1993]).
M. Heidelberger (trans. C. Klohr), Nature from Within: Gustav Theodor Fechner and His Psychophysical Worldview (Pittsburgh, PA.: University Press, 2004 [1993]).
M. Heidelberger (trans. C. Klohr), Nature from Within: Gustav Theodor Fechner and His Psychophysical Worldview (Pittsburgh, PA.: University Press, 2004 [1993]).
