@book{ BB25372527,
 author = "Schemmel, Matthias",
 title = "Spatial thinking and external representation : towards a historical epistemology of space",
 publisher = "Edition Open Access, Max Planck Institute for the History of Science",
 year = "2016",
 series = "Max Planck research library for the history and development of knowledge",
 number = ". Studies ; 8",
 URL = "https://ci.nii.ac.jp/ncid/BB25372527"
}
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