Vorwort.
Das graphische Rechnen Theil 1, GDML_Books, (1879), p. III / Harvested from
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@article{PPN590873717+DMDLOG_0002,
     title = {Vorwort.},
     booktitle = {Das graphische Rechnen Theil 1},
     series = {GDML\_Books},
     publisher = {Calve},
     address = {Prag},
     year = {1879},
     pages = {III},
     url = {http://dml.mathdoc.fr/item/PPN590873717+DMDLOG_0002}
}

 (éd.). Vorwort., dans Das graphische Rechnen Theil 1, GDML_Books,  (1879), p. III. http://gdmltest.u-ga.fr/item/PPN590873717+DMDLOG_0002/