SCHUMACHER an GAUSS, 24. Sept. 1850
Varia. Atlas des Erdmagnetismus Bd. 12, GDML_Books, (1929), p. 21 / Harvested from
@article{PPN236060120+dmdlog22,
     title = {SCHUMACHER an GAUSS, 24. Sept. 1850},
     booktitle = {Varia. Atlas des Erdmagnetismus Bd. 12},
     series = {GDML\_Books},
     year = {1929},
     pages = {21},
     url = {http://dml.mathdoc.fr/item/PPN236060120+dmdlog22}
}
 (éd.). SCHUMACHER an GAUSS, 24. Sept. 1850, dans Varia. Atlas des Erdmagnetismus Bd. 12, GDML_Books,  (1929), p. 21. http://gdmltest.u-ga.fr/item/PPN236060120+dmdlog22/