@article {cite-key,
	title = {Description of a new species of Mormyrus},
	journal = {Proceedings of the General Meetings for Scientific Business of the Zoological Society of London},
	volume = {1864 (pt 1)},
	year = {1864},
	month = {July},
	pages = {22 (Pl. 2)},
	keywords = {Mormyrus petersii},
	author = {G{\"u}nther, Albert C. L. G.}
}
@article {cite-key,
	title = {Eine neue art von Mormyrus},
	journal = {Archiv f{\"u}r Naturgeschichte},
	volume = {28},
	number = {1},
	year = {1862},
	pages = {64},
	keywords = {Mormyrus petersii},
	url = {http://biodiversitylibrary.org/page/7160516},
	author = {G{\"u}nther, Albert C. L. G.}
}
