@book{19027,
	author = {Ossorio, Amado. and Real Sociedad Española de Historia Natural},
	title = {Fernando Poo y el golfo de Guinea : },
	publisher = {Sociedad Española de Historia Natural, },
	year = {1886]},
	address = {[Madrid : },
	url = {https://archive.org/details/cbarchive_39885_fernandopooyelgolfodeguinea1886/page/n1}
}