@book{99229,
	author = {Stephens, Frederic George,},
	title = {Gibraltar and Its Sieges, with a Description of Its Natural Features.},
	publisher = {Project Gutenberg,},
	year = {2018},
	address = {Salt Lake City, UT :},
	note = {Release date is 2018-12-02},
	url = {https://www.gutenberg.org/ebooks/58402}
}