@misc{Kleefeld_Johann_Gottfried_(1763-1845)_Meteorologische, author={Kleefeld, Johann Gottfried (1763-1845)}, howpublished={online}, language={ger}, title={Meteorologische Beobachtungen 1812-1816}, type={manuscripts}, keywords={meteorology, manuscript, GdaƄsk (Poland ; city), Naturforschende Gesellschaft in Danzig}, }