1. G. Horowitz, UCSBTH-96-07, gr-gc/9604051.
2. Black hole solutions in heterotic string theory on a torus
3. M. Cvetič and D. Youm, IASSNS-HEP-96-24, hep-th/9603100.
4. M. Cvetič and D. Youm, IASSNS-HEP-96/43, hep-th/9605051.
5. P.M. Llatas, UCSBTH-96-05, hep-th/9605058.