@book{74381,
	author = {De Zafra, Carlos,},
	title = {The development of armor-piercing shells (with suggestions for their improvement)},
	publisher = {Project Gutenberg,},
	year = {2010},
	address = {Salt Lake City, UT :},
	note = {Release date is 2010-08-25},
	url = {https://www.gutenberg.org/ebooks/33535}
}