1. Banaschewski, B.: Totalgeordnete moduln. Arch. Math. 7, 430–440 (1957). (German)
2. Burris, S., Sankappanavar, H.B.: A Course in Universal Algebra. Graduate Texts in Mathematics, vol. 78. Springer, New-York (1981)
3. Engelking, R.: General Topology. Heldermann, Berlin (1989)
4. Goodearl, K.R.: Von Neumann Regular Rings, 2nd edn. Krieger Pub. Co., Malabar, FL (1991)
5. Grätzer, G.: General Lattice Theory, 2nd edn. Birkhäuser, Basel (1998)