@book {22273, title = {Meine Antwort an den Herrn Zeichenlehrer R{\"u}bsaamen und an den Herrn Docenten Dr. F. Karsch, nebst Beschreibung neuer Gallm{\"u}cken}, year = {1897}, pages = {21}, address = {Trier}, author = {Kieffer, J. J.} } @article {22274, title = {Description de nouveaux Dipt{\`e}res N{\'e}matoc{\`e}res d{\textquoteright}Europe}, journal = {Annales de la Soci{\'e}t{\'e} Scientifique de Bruxelles}, volume = {30}, number = {30}, year = {1906}, author = {Kieffer, J. J.} } @article {22275, title = {Microdipt{\`e}res d{\textquoteright}Afrique}, journal = {Bulletin de la Soci{\'e}t{\'e} d{\textquoteright}Histoire Naturelle de l{\textquoteright}Afrique du Nord}, volume = {10}, year = {1919}, pages = {191-206, 14 fig.}, author = {Kieffer, J. J.} }