1. For a review see, for example, , arXiv:hep-th/9603074 and references therein.
2. , , and E. Witten, Superstring Theory, Vol. 1& 2 (Cambridge University Press, Cambridge, 1987).
3. , String Theory, Vol. 1& 2 (Cambridge University Press, Cambridge, 1998).
4. Dirichlet Branes and Ramond-Ramond Charges
5. For a review see, for example, Fortschr. Phys. 52, 200 (2004) [arXiv:hep-th/0310001]. , Class. Quantum Gravity 21, S1399 (2004) [arXiv:hep-th/0401156]. , arXiv:hep-ph/0408064., , , arXiv:hep-th/0502005, and references therein.