@book{100079,
	author = {Mercur, James,},
	title = {Attack of Fortified Places. Including Siege-works, Mining, and Demolitions. :},
	publisher = {Project Gutenberg,},
	year = {2019},
	address = {Salt Lake City, UT :},
	note = {Release date is 2019-04-11},
	url = {https://www.gutenberg.org/ebooks/59253}
}