@book{7223,
	author = {Johnson, William Woolsey,},
	title = {An elementary treatise on analytical geometry  /},
	publisher = {J.B. Lippincott :},
	year = {1893.},
	address = {Philadelphia ;},
	note = {"Designed as a text-book for colleges and scientific schools."},
	url = {http://hdl.loc.gov/loc.gdc/scd0001.00035599381}
}