@misc{Schaeffer_Jakob_Christian_(1718-1790)_Das, author={Schaeffer, Jakob Christian (1718-1790)}, howpublished={online}, publisher={verlegts Johann Leopold Montag}, language={ger}, type={printed books 1501-1800}, title={Das Zwiefalter- oder Afterjungferchen}, keywords={insects, printed books 1501-1800}, }