@book {sahlberg_periculi_1823,
	title = {Periculi entomographici, species insectorum nondum descriptas proposituri, fasciculus},
	year = {1823},
	publisher = {Frenckel, Aboae},
	organization = {Frenckel, Aboae},
	url = {https://www.biodiversitylibrary.org/page/10990686},
	author = {Sahlberg, C. R.}
}
