Lattice theory and its applications

BAKER, Kirby A. - WILLE, Rudolf. Lattice theory and its applications : in celebration of Garrett Birkhoff's 80th birthday. Edited by K. A. Baker and R. Wille. [1st ed.]. Lemgo : Heldermann Verlag, 1995. 262 s. Research and exposition in mathematics, Volume 23. ISBN 3-88538-223-7.