@article{PPN236007467+dmdlog183, title = {Comet. [Beobachtungen]}, booktitle = {Astronomische Abhandlungen Bd. 6}, series = {GDML\_Books}, year = {1874}, pages = {450}, url = {http://dml.mathdoc.fr/item/PPN236007467+dmdlog183} }
(éd.). Comet. [Beobachtungen], dans Astronomische Abhandlungen Bd. 6, GDML_Books, (1874), p. 450. http://gdmltest.u-ga.fr/item/PPN236007467+dmdlog183/