@book{96998,
	author = {Du Chaillu, Paul B.},
	title = {The Viking Age. Volume 1 (of 2) :},
	publisher = {Project Gutenberg,},
	year = {2017},
	address = {Salt Lake City, UT :},
	note = {Release date is 2017-12-13},
	url = {https://www.gutenberg.org/ebooks/56167}
}