@misc{Schaeffer_Jakob_Christian_(1718-1790)_Apvs,
 author={Schaeffer, Jakob Christian (1718-1790)},
 howpublished={online},
 publisher={Impensis Io. Mich. Seligmanni},
 language={lat},
 type={printed books 1501-1800},
 title={Apvs pisciformis insecti aquatici species noviter detecta brevibusque descripta},
 keywords={natural history, printed books 1501-1800},
}