Grätzer, G.: General Lattice Theory. 2.. Aufl. Birkhäuser Verlag, 1998
@book{Gratzer,
author = {Grätzer, George},
title = {General Lattice Theory},
publisher = {Birkhäuser Verlag},
year = {1998},
edition = {2.},
keywords = {cited, da, diplomarbeit, general, grätzer, lattice}
}