1. Distributive Lattices;Balbes,1974
2. A.J. Bell, The co-information lattice, in: 4th International Symposium on Independent Component Analysis and Blind Signal Separation (ICA2003), Nara, Japan, 2003, pp. 921–926.
3. Rings in which derivations satisfy certain algebraic conditions;Bell;Acta Math. Hungar.,1989
4. On derivations in near-rings and near-fields;Bell;North-Holland Math. Studies,1987
5. Lattice Theory;Birkhoof,1940