@article{PPN236007467+dmdlog217, title = {[Iris beobachtet]}, booktitle = {Astronomische Abhandlungen Bd. 6}, series = {GDML\_Books}, year = {1874}, pages = {474}, url = {http://dml.mathdoc.fr/item/PPN236007467+dmdlog217} }
(éd.). [Iris beobachtet], dans Astronomische Abhandlungen Bd. 6, GDML_Books, (1874), p. 474. http://gdmltest.u-ga.fr/item/PPN236007467+dmdlog217/