@article{PPN517627655+dmdlog87, title = {143. Der menschliche Geist.}, booktitle = {Das Weltsystem Theil 2}, series = {GDML\_Books}, year = {1896}, pages = {323}, url = {http://dml.mathdoc.fr/item/PPN517627655+dmdlog87} }
(éd.). 143. Der menschliche Geist., dans Das Weltsystem Theil 2, GDML_Books, (1896), p. 323. http://gdmltest.u-ga.fr/item/PPN517627655+dmdlog87/