80. Die Zeit.
Das Weltsystem Theil 2, GDML_Books, (1896), p. 35 / Harvested from
@article{PPN517627655+dmdlog19,
     title = {80. Die Zeit.},
     booktitle = {Das Weltsystem Theil 2},
     series = {GDML\_Books},
     year = {1896},
     pages = {35},
     url = {http://dml.mathdoc.fr/item/PPN517627655+dmdlog19}
}
 (éd.). 80. Die Zeit., dans Das Weltsystem Theil 2, GDML_Books,  (1896), p. 35. http://gdmltest.u-ga.fr/item/PPN517627655+dmdlog19/