@article{PPN590572806+DMDLOG_0009, title = {Verbesserungen.}, booktitle = {Astronomische Wissenschaften Theil 2, Abtheilung 2}, series = {GDML\_Books}, publisher = {M\"uller}, year = {1797}, pages = {uncounted}, url = {http://dml.mathdoc.fr/item/PPN590572806+DMDLOG_0009} }
(éd.). Verbesserungen., dans Astronomische Wissenschaften Theil 2, Abtheilung 2, GDML_Books, (1797), p. uncounted. http://gdmltest.u-ga.fr/item/PPN590572806+DMDLOG_0009/