TY - BOOK AU - Ortín, Tomás TI - Gravity and strings SN - 9780521035460 SN - 200305592 U1 - 530.14 ORT PY - 2004/// CY - Cambridge PB - Cambridge University Press KW - Quantum gravity KW - String models N1 - Includes bibliographical references (p. 650-670) and index ER -