@book{126238,
	author = {Detlefsen, Michael. and Bacon, John,},
	title = {Logic from A to Z /},
	publisher = {Routledge,},
	year = {1999.},
	address = {London :},
	note = {"First published in the ... Routledge Encyclopedia of Philosophy"--P. [4] of cover.},
	url = {http://www.loc.gov/catdir/enhancements/fy0650/00267716-d.html}
}