Balog, J., Forgács, P., Horváth, Z. and Vecsernyés, P. (1989) Lattice Classification of 8-Dimensional Chiral Heterotic Strings. (Preprint)
Forgács, P., Wipf, A., Balog, J., Fehér, L. and O'Raifeartaigh, L. (1989) Liouville and Toda Theories as Conformally Reduced WZNW Theories. (Preprint)