Barkhoff, J. Perfecting Nature - Surpassing God: The Dream of Creating Artificial Humans around 1800 / Jürgen Barkhoff. Science, technology and the German cultural imagination.(2005).
Citazione stile Chigago Style (17a edizione)Barkhoff, Jürgen. "Perfecting Nature - Surpassing God: The Dream of Creating Artificial Humans Around 1800 / Jürgen Barkhoff." Science, Technology and the German Cultural Imagination.(2005) .
Citatione MLA (8a ed.)Barkhoff, Jürgen. "Perfecting Nature - Surpassing God: The Dream of Creating Artificial Humans Around 1800 / Jürgen Barkhoff." Science, Technology and the German Cultural Imagination.(2005), .
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