Gravity and strings / Tomás Ortín. Ortín, Tomás, 1964- Quantum gravity. String models. QC178 .O78 2004 530.14 22 ORG Includes bibliographical references (p. 650-670) and index. Cambridge, UK ; New York : Cambridge University Press, 2004. 2004. 2004 Text xx, 684 p. : http://www.loc.gov/catdir/description/cam041/2003055929.html http://www.loc.gov/catdir/toc/cam041/2003055929.html http://www.loc.gov/catdir/enhancements/fy0732/2003055929-b.html eng Cambridge monographs on mathematical physics