@article{PPN236060120+dmdlog56,
title = {17. Kindersterblichkeit},
booktitle = {Varia. Atlas des Erdmagnetismus Bd. 12},
series = {GDML\_Books},
year = {1929},
pages = {71},
url = {http://dml.mathdoc.fr/item/PPN236060120+dmdlog56}
}
(éd.). 17. Kindersterblichkeit, dans Varia. Atlas des Erdmagnetismus Bd. 12, GDML_Books, (1929), p. 71. http://gdmltest.u-ga.fr/item/PPN236060120+dmdlog56/