@book{52687,
	author = {Birkhoff, Garrett,},
	title = {Lattice theory /},
	publisher = {American Mathematical Society,},
	year = {1979, [Reprinted 1984]},
	series = {Colloquium publications (American Mathematical Society) ;},
	address = {Providence, R.I :},
	edition = {3rd (new) ed.}
}