@book{68378,
	author = {Anonymous},
	title = {Radio Shack TRS-80 Expansion Interface: Operator's Manual :},
	publisher = {Project Gutenberg,},
	year = {2008},
	address = {Salt Lake City, UT :},
	note = {Release date is 2008-12-09},
	url = {https://www.gutenberg.org/ebooks/27469}
}